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Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage


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Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

Hi,

 

suddenly (maybe after the last Windows 10 update?) Cura 4.7.1 doesn't start anymore. To be precise, the cura.exe is started but hangs with 0% CPU usage.

 

After about 15 Minutes, the splash screen shows up. After about 30 Minutes the application is there. But slicing is extremely slow. A simple test-cube takes about 1h to slice and the application is unresponsive until finished.

 

I'm having a surface book with i7-6600, 2.6GHz, 4 cores and 16GB Ram.

 

Other slicers (like PrusaSlicer) are blazing fast.

 

Already completely uninstalled 4.7.1 and installed 4.7.0 without any changes.

 

I disabled AV and Firewall without any changes.

 

When starting CuraCLI it's slow, as well. Each log-output takes about 5 Minutes and the application just stalls.

 

This is super wired, as all other applications just work.

 

Any ideas, where to look?

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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    The initialization alone took 20 Minutes. Then look at the timings of the MainThread. It took 45 more Minutes until the UI was available. So overall it was more than one hour to start the application.

     

    C:\Program Files\Ultimaker Cura 4.7>CuraCLI.exe --debug
    [MainThread] UM.Qt.QtApplication.__init__ [81]: Adding QT5 plugin path: C:\Program Files\Ultimaker Cura 4.7\PyQt5\plugins
    [MainThread] UM.Qt.QtApplication.__init__ [91]: Adding QT5 plugin path: C:\Program Files\Ultimaker Cura 4.7\PyQt5\plugins
    [MainThread] UM.Application.initialize [144]: Initializing Ultimaker Cura
    [MainThread] UM.Application.initialize [145]: App Version 4.7.1
    [MainThread] UM.Application.initialize [146]: Api Version 7.3.0
    [MainThread] UM.Application.initialize [147]: Build type None
    [MainThread] UM.Resources.__initializeStoragePaths [446]: Initializing storage paths
    [MainThread] UM.Resources.__initializeStoragePaths [456]: Config storage path is C:\Users\mcu\AppData\Roaming\cura\4.7
    [MainThread] UM.Resources.__initializeStoragePaths [464]: Data storage path is C:\Users\mcu\AppData\Roaming\cura\4.7
    [MainThread] UM.Resources.__initializeStoragePaths [476]: Cache storage path is C:\Users\mcu\AppData\Local\cura\4.7\cache
    [MainThread] UM.Qt.QtApplication.initialize [144]: Preferences file not found, ignore and use default language 'en_US'
    [MainThread] UM.PackageManager.__init__ [54]: Found bundled packages JSON file: C:\Program Files\Ultimaker Cura 4.7\resources\bundled_packages\cura.json
    [MainThread] UM.PackageManager.__init__ [54]: Found bundled packages JSON file: C:\Program Files\Ultimaker Cura 4.7\resources\bundled_packages\uranium.json
    [MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [118]: Trying OpenGL context 4.1...
    [MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [128]: Yay, we got at least OpenGL 4.1 core: 4.1 Core profile
    [MainThread] UM.Qt.QtApplication.initialize [173]: Detected most suitable OpenGL context version: 4.1 Core profile
    [MainThread] UM.Qt.QtApplication.initialize [180]: Initializing job queue ...
    [MainThread] UM.Qt.QtApplication.initialize [184]: Initializing version upgrade manager ...
    [MainThread] UM.PackageManager._loadManagementData [165]: Loaded bundled packages data from C:\Program Files\Ultimaker Cura 4.7\resources\bundled_packages\cura.json
    [MainThread] UM.PackageManager._loadManagementData [165]: Loaded bundled packages data from C:\Program Files\Ultimaker Cura 4.7\resources\bundled_packages\uranium.json
    [MainThread] UM.PackageManager._loadManagementData [186]: Loaded user packages management file from C:\Users\mcu\AppData\Roaming\cura\4.7\packages.json
    [MainThread] UM.PackageManager._saveManagementData [256]: Package management file C:\Users\mcu\AppData\Roaming\cura\4.7\packages.json was saved
    [MainThread] UM.PluginRegistry.initializeBeforePluginsAreLoaded [110]: Loading plugin configuration file 'C:\Users\mcu\AppData\Roaming\cura\4.7\plugins.json'
    [MainThread] UM.Logger.info [122]: Loaded plugin 3MFReader
    [MainThread] UM.Logger.info [122]: Loaded plugin 3MFWriter
    [MainThread] UM.Logger.info [122]: Loaded plugin AMFReader
    2020-11-04 12:15:08,632 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ConsoleLogger
    2020-11-04 12:15:22,806 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CuraDrive
    2020-11-04 12:15:22,902 - INFO - [MainThread] CuraEngineBackend.CuraEngineBackend.__init__ [92]: Found CuraEngine at: C:\Program Files\Ultimaker Cura 4.7\CuraEngine.exe
    2020-11-04 12:15:37,024 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CuraEngineBackend
    2020-11-04 12:15:51,284 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CuraProfileReader
    2020-11-04 12:16:05,530 - DEBUG - [MainThread] UM.Backend.Backend._logSocketState [188]: Socket state changed to Listening
    2020-11-04 12:16:19,768 - INFO - [MainThread] UM.Backend.Backend.startEngine [90]: Started engine process: C:\Program Files\Ultimaker Cura 4.7\CuraEngine.exe
    2020-11-04 12:16:33,986 - DEBUG - [MainThread] UM.Backend.Backend._backendLog [110]: [Backend] Calling engine with: ['C:\\Program Files\\Ultimaker Cura 4.7\\CuraEngine.exe', 'connect', '127.0.0.1:49674', '', '-vvv']
    2020-11-04 12:16:55,293 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend]
    2020-11-04 12:17:02,397 - DEBUG - [MainThread] UM.Backend.Backend._logSocketState [192]: Socket state changed to Connected
    2020-11-04 12:17:16,652 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Cura_SteamEngine version 4.7.1
    2020-11-04 12:17:23,756 - DEBUG - [MainThread] UM.Backend.Backend._onSocketStateChanged [181]: Backend connected on port 49674
    2020-11-04 12:17:37,948 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CuraProfileWriter
    2020-11-04 12:17:37,948 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Copyright (C) 2020 Ultimaker
    2020-11-04 12:17:52,178 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend]
    2020-11-04 12:18:06,402 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] This program is free software: you can redistribute it and/or modify
    2020-11-04 12:18:20,614 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] it under the terms of the GNU Affero General Public License as published by
    2020-11-04 12:18:34,860 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] the Free Software Foundation, either version 3 of the License, or
    2020-11-04 12:18:49,070 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] (at your option) any later version.
    2020-11-04 12:18:49,078 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin OBJReader
    2020-11-04 12:19:03,270 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend]
    2020-11-04 12:19:17,489 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin OBJWriter
    2020-11-04 12:19:17,496 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] This program is distributed in the hope that it will be useful,
    2020-11-04 12:19:31,679 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] but WITHOUT ANY WARRANTY; without even the implied warranty of
    2020-11-04 12:19:45,887 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    2020-11-04 12:19:45,887 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin STLReader
    2020-11-04 12:20:00,095 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] GNU Affero General Public License for more details.
    2020-11-04 12:20:14,287 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin STLWriter
    2020-11-04 12:20:14,295 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend]
    2020-11-04 12:20:28,502 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] You should have received a copy of the GNU Affero General Public License
    2020-11-04 12:20:42,685 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FileLogger
    2020-11-04 12:20:42,693 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] along with this program.  If not, see <http://www.gnu.org/licenses/>.
    2020-11-04 12:20:56,949 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Connecting to 127.0.0.1:49674
    2020-11-04 12:21:11,150 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FirmwareUpdateChecker
    2020-11-04 12:21:11,158 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Connected to 127.0.0.1:49674
    2020-11-04 12:21:39,580 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FirmwareUpdater
    2020-11-04 12:21:53,838 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeGzReader
    2020-11-04 12:22:08,026 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeGzWriter
    2020-11-04 12:22:22,260 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeProfileReader
    2020-11-04 12:22:50,650 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeReader
    2020-11-04 12:23:04,852 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeWriter
    2020-11-04 12:23:19,110 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ImageReader
    2020-11-04 12:23:33,340 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LegacyProfileReader
    2020-11-04 12:23:47,561 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LocalContainerProvider
    2020-11-04 12:24:01,749 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LocalFileOutputDevice
    2020-11-04 12:24:15,963 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MachineSettingsAction
    2020-11-04 12:24:30,194 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ModelChecker
    2020-11-04 12:24:58,649 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MonitorStage
    2020-11-04 12:25:27,203 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PerObjectSettingsTool
    2020-11-04 12:25:55,652 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PostProcessingPlugin
    2020-11-04 12:26:24,178 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PrepareStage
    2020-11-04 12:26:52,608 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PreviewStage
    2020-11-04 12:27:21,072 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin RemovableDriveOutputDevice
    2020-11-04 12:27:49,544 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SentryLogger
    2020-11-04 12:28:17,984 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SimulationView
    2020-11-04 12:28:46,449 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SliceInfoPlugin
    2020-11-04 12:29:14,877 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SolidView
    2020-11-04 12:29:43,294 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SupportEraser
    2020-11-04 12:30:11,694 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace
    2020-11-04 12:30:40,196 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None
    2020-11-04 12:31:08,592 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace
    2020-11-04 12:31:37,063 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None
    2020-11-04 12:32:05,454 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace
    2020-11-04 12:32:33,855 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None
    2020-11-04 12:33:02,298 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace
    2020-11-04 12:33:30,816 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None
    2020-11-04 12:33:59,330 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin Toolbox
    2020-11-04 12:34:27,825 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CameraTool
    2020-11-04 12:34:56,314 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MirrorTool
    2020-11-04 12:35:24,767 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin RotateTool
    2020-11-04 12:35:53,184 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ScaleTool
    2020-11-04 12:36:21,535 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SelectionTool
    2020-11-04 12:36:49,916 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin TranslateTool
    2020-11-04 12:37:18,492 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin TrimeshReader
    2020-11-04 12:37:46,923 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UFPReader
    2020-11-04 12:38:15,398 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UFPWriter
    2020-11-04 12:38:43,854 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UltimakerMachineActions
    2020-11-04 12:39:12,326 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UM3NetworkPrinting
    2020-11-04 12:39:12,422 - INFO - [Thread-1] UpdateChecker.UpdateCheckerJob.run [40]: Checking for new version of cura
    2020-11-04 12:39:40,770 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UpdateChecker
    2020-11-04 12:40:09,214 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin USBPrinting
    2020-11-04 12:40:37,690 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade21to22
    2020-11-04 12:41:06,174 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade22to24
    2020-11-04 12:41:34,612 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade25to26
    2020-11-04 12:42:03,056 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade26to27
    2020-11-04 12:42:31,517 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade27to30
    2020-11-04 12:42:59,897 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade30to31
    2020-11-04 12:43:28,372 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade32to33
    2020-11-04 12:43:56,810 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade33to34
    2020-11-04 12:44:25,278 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade34to35
    2020-11-04 12:44:53,748 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade35to40
    2020-11-04 12:45:22,183 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade40to41
    2020-11-04 12:45:50,610 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade41to42
    2020-11-04 12:46:19,026 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade42to43
    2020-11-04 12:46:47,452 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade43to44
    2020-11-04 12:47:09,065 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade44to45
    2020-11-04 12:47:37,957 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade45to46
    2020-11-04 12:48:06,411 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade460to462
    2020-11-04 12:48:34,832 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade462to47
    2020-11-04 12:49:03,277 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SimpleView
    2020-11-04 12:49:31,719 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin X3DReader
    2020-11-04 12:50:00,121 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin XmlMaterialProfile
    2020-11-04 12:50:28,591 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin XRayView
    2020-11-04 12:50:42,810 - DEBUG - [MainThread] UM.PluginRegistry.loadPlugins [373]: Loading all plugins took 2176.8762590885162 seconds
    2020-11-04 12:50:57,069 - INFO - [MainThread] UM.VersionUpgradeManager.upgrade [163]: Looking for old configuration files to upgrade.
    2020-11-04 12:51:11,309 - INFO - [MainThread] UM.VersionUpgradeManager.upgrade [175]: Checking and performing updates took 14.259205102920532
    2020-11-04 12:51:25,532 - INFO - [MainThread] UM.Qt.QtApplication.startSplashWindowPhase [226]: The preferences file cannot be found or it is corrupted, so we will use default values
    2020-11-04 12:51:39,769 - INFO - [MainThread] UM.Qt.QtApplication.startSplashWindowPhase [235]: The preferences file 'None' cannot be found, will use default values
    2020-11-04 12:52:12,725 - DEBUG - [MainThread] UM.Settings.ContainerRegistry.loadAllMetadata [361]: Loading metadata into container registry took 18.530343294143677 seconds
    2020-11-04 12:52:26,948 - DEBUG - [MainThread] cura.Scene.CuraSceneController.setActiveBuildPlate [142]: Select build plate: 0
    2020-11-04 12:52:41,178 - INFO - [MainThread] cura.CuraApplication.run [781]: Initializing machine error checker
    2020-11-04 12:52:55,431 - INFO - [MainThread] cura.CuraApplication.run [786]: Initializing machine manager
    2020-11-04 12:53:09,677 - INFO - [MainThread] cura.CuraApplication.run [791]: Initializing container manager
    2020-11-04 12:53:09,976 - WARNING - [MainThread] LocalContainerProvider.LocalContainerProvider._saveCachedDefinition [295]: The definition cache for definition fdmprinter failed to pickle.
    2020-11-04 12:53:23,971 - DEBUG - [MainThread] UM.Scene.Camera._preferencesChanged [255]: Changing perspective mode to perspective.
    2020-11-04 12:53:38,235 - DEBUG - [MainThread] UM.Qt.Bindings.Theme.load [158]: Loading theme file: C:\Program Files\Ultimaker Cura 4.7\resources\themes\cura-light\theme.json
    2020-11-04 12:53:52,511 - DEBUG - [MainThread] UM.Qt.Bindings.Theme.load [246]: Loaded theme C:\Program Files\Ultimaker Cura 4.7\resources\themes\cura-light
    2020-11-04 12:53:57,138 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin._createView [336]: Creating post processing plugin view.
    2020-11-04 12:53:57,186 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: ChangeAtZ
    2020-11-04 12:53:57,218 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: ColorMix
    2020-11-04 12:53:57,234 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: DisplayFilenameAndLayerOnLCD
    2020-11-04 12:53:57,258 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: DisplayProgressOnLCD
    2020-11-04 12:53:57,274 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: FilamentChange
    2020-11-04 12:53:57,298 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: InsertAtLayerChange
    2020-11-04 12:53:57,322 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: PauseAtHeight
    2020-11-04 12:53:57,354 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: RetractContinue
    2020-11-04 12:53:57,386 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: SearchAndReplace
    2020-11-04 12:53:57,410 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: Stretch
    2020-11-04 12:53:57,434 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: TimeLapse
    2020-11-04 12:53:57,458 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: UsePreviousProbeMeasurements
    2020-11-04 12:53:58,162 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin._createView [346]: Post processing view created.
    2020-11-04 12:54:06,814 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token
    2020-11-04 12:54:21,075 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token
    2020-11-04 12:54:35,294 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token
    qml: TableViewSelection: index out of range
    qml: TableViewSelection: index out of range
    2020-11-04 12:54:49,526 - DEBUG - [MainThread] UM.Controller.setActiveStage [180]: Setting active stage to PrepareStage
    2020-11-04 12:55:03,773 - DEBUG - [MainThread] cura.Machines.Models.NozzleModel._update [28]: Updating NozzleModel.
    2020-11-04 12:55:18,014 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///C:/Program Files/Ultimaker Cura 4.7/resources/qml/Menus/ConfigurationMenu/ConfigurationMenu.qml:143: TypeError: Cannot read property 'hasRemoteConnection' of null
    2020-11-04 12:55:32,283 - DEBUG - [MainThread] UM.Controller.setActiveView [108]: Setting active view to SolidView
    2020-11-04 12:55:32,340 - DEBUG - [MainThread] ModelChecker.ModelChecker._createView [117]: Creating model checker view.
    2020-11-04 12:55:32,388 - DEBUG - [MainThread] ModelChecker.ModelChecker._createView [126]: Model checker view created.
    2020-11-04 12:55:32,388 - DEBUG - [MainThread] SliceInfoPlugin.SliceInfo._createDialog [76]: Creating dialog [MoreInfoWindow.qml]
    2020-11-04 12:55:32,636 - DEBUG - [MainThread] Toolbox.src.Toolbox._makeRequestByType [544]: Requesting [updates] metadata from server.
    2020-11-04 12:55:46,532 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService.getAccessToken [124]: No auth data to retrieve the access_token from
    2020-11-04 12:56:00,786 - WARNING - [MainThread] UM.Logger.warning [128]: Cannot add authorization to Cloud Api request
    2020-11-04 12:56:14,988 - DEBUG - [MainThread] cura.CuraApplication.run [830]: Booting Cura took 2821.9168968200684 seconds
    2020-11-04 12:56:14,996 - DEBUG - [Thread-2] cura.Machines.ContainerTree.run [174]: Started background loading of MachineNodes
    Proxy query URL too long for windows API, try with truncated URL
    2020-11-04 12:56:29,336 - DEBUG - [MainThread] cura.Machines.Models.QualityProfilesDropDownMenuModel._update [62]: Updating QualityProfilesDropDownMenuModel.
    2020-11-04 12:56:29,344 - DEBUG - [Thread-2] cura.Machines.ContainerTree.run [185]: All MachineNode loading completed
    2020-11-04 12:56:43,607 - DEBUG - [MainThread] cura.Machines.Models.QualityProfilesDropDownMenuModel._update [74]: No active GlobalStack, set quality profile model as empty.
    2020-11-04 12:56:57,797 - DEBUG - [MainThread] cura.Machines.Models.CustomQualityProfilesDropDownMenuModel._update [33]: Updating CustomQualityProfilesDropDownMenuModel.
    2020-11-04 12:57:11,993 - DEBUG - [MainThread] cura.Machines.Models.CustomQualityProfilesDropDownMenuModel._update [38]: No active GlobalStack, set CustomQualityProfilesDropDownMenuModel as empty.
    2020-11-04 12:57:26,178 - DEBUG - [MainThread] UM.Qt.QtRenderer._initialize [210]: Support for Vertex Array Objects: True
    2020-11-04 12:57:40,412 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [112]: Initialized OpenGL subsystems.
    2020-11-04 12:57:54,627 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [113]: OpenGL Version:  4.1.0 - Build 24.20.100.6293
    2020-11-04 12:58:08,989 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [114]: OpenGL Vendor:   Intel
    2020-11-04 12:58:16,121 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [115]: OpenGL Renderer: Intel(R) HD Graphics 520
    2020-11-04 12:58:30,430 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [116]: GLSL Version:    4.10.0
    2020-11-04 12:59:05,984 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\default.shader]...
    2020-11-04 12:59:27,276 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\selection.shader]...
    2020-11-04 12:59:41,488 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\select_face.shader]...
    2020-11-04 12:59:55,670 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\default.shader]...
    2020-11-04 13:00:09,869 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\composite.shader]...
    2020-11-04 13:00:24,070 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\overhang.shader]...
    2020-11-04 13:00:38,279 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\striped.shader]...
    2020-11-04 13:00:52,496 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\transparent_object.shader]...
    2020-11-04 13:01:06,671 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\striped.shader]...
    2020-11-04 13:01:20,871 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\xray.shader]...
    2020-11-04 13:01:28,265 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\xray_composite.shader]...
    2020-11-04 13:01:42,487 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\platform.shader]...
    2020-11-04 13:01:56,683 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.7\resources\shaders\xray.shader]...
    2020-11-04 13:02:18,007 - DEBUG - [MainThread] cura.AutoSave._onTimeout [59]: Autosaving preferences, instances and profiles

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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    nalath, yes. I have network drives connected. But they areN#t related to any search pathes for Cura.

     

    I just disabled my WIFI and cura was fast again... Hm, don't want to disconnect all my drives, though...

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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    It's a known issue that Cura is super slow to start if the X drive is used (if i recall correctly). Since that doesn't happen often it never got priority to get fixed.

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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    I am not sure if this is related.  this sounds like how my Cura 4.7 ran yesterday after the Microsoft update.  Then I downloaded 4.8 and installed and I still had the same problem.  I had a similar problem this summer with Autodesk Fusion 360 hanging and was able to fix by starting task manager and killing any process related to Nahimic.  Then I ran Cura and it popped right up.  I am using 3 monitors on a system that used to have a video card that used nahimic services and they are harder to get rid of than any addiction.  I can't find anything that I need Nahimic services for.  

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    Posted (edited) · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    Exactly 10 minutes ago I wrote a similar impression:


    "I have Ender 3 Pro for 2 months, I tried several popular slicer programs, but I most liked Cura.. I think I learned to use it well and made 4-5 profiles very suitable for me and I had fun with almost always successful 3D prints for 2 months (about 3 kg printed)
    Suddenly, however, the program stopped working and I have no solution of the problem. For 3 days I tried everything I saw and nothing worked.
    At startup, the program stays with the taskbar as working, but absolutely nothing else happens. After dozens of attempts to fix the problem, the best I managed to achieve is that sometimes the startup screen is displayed and remains in the position of loading plugins...and again noting more happend..
    I tried all the popular solutions but nothing worked.
    Complete uninstallation and reinstalled on new and old versions .. does not work
    remove Visial C ++ libraries as described .. reinstall..any combination..does not work
    Clearing registers, uninstalling the program ... everything possible does not work.
    Video driver update (Nvidia GTX 1080) .. does not work
    A problem I think (but I'm not sure) appeared after the latest updates of Windows 10 (20H2).
    I think a few days before it stopped working, the startup process had become too long.
    The situation for me is completely unreliable at the moment and I will have to switch to using another program ... or another computer. unfortunately quite inconvenient for me solutions, but I can not afford a complete reinstallation of the computer in question ..
    I do not know why such a popular and successful program behaves in such a strange way, I saw that other reports of such behavior have been published .."

     

    and I just see the comments here..
    For me, the problem was solved when I stopped the LAN network ... everything works fine without a LAN network. It seems amazing the decision that in order to use Cura, you have to disconnect the Lan.. Unbelievable 🙂

    Edited by rumenn
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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage

    Yes, having network drives mapped, or more specifically drive letter X:, made Cura really slow on everything (slow start, slow in menu, slow to slice, unbearably slow, and 0% load). Uninstall and reinstall didn't help, but unmapping the drive letter X: did! Back to fast and good Cura again! :-)

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    Posted · Cura 4.7.1 hangs when starting up and takes about an hour to start. Everything is slow with 0% CPU usage
    Quote

    Yes, having network drives mapped, or more specifically drive letter X:, made Cura really slow on everything (slow start, slow in menu, slow to slice, unbearably slow, and 0% load). Uninstall and reinstall didn't help, but unmapping the drive letter X: did! Back to fast and good Cura again! 🙂

     

    It really works (for now)! 🙂
    Thank you Erik 🙂

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