Thanks for your reply.
I uninstalled 4.8 and installed the new version right before I read your reply. There is rarely a task running in task manager that I am not aware of and I basically monitor running applications daily. In saying that, no protection software is perfect and there is always a risk the Cura.exe has been hijacked even if it is very low. I also am unable to recall if any plugins were installed so sorry if that doesn't help.
It didn't even get to the GUI so shouldn't be the file open dialog, it was on execution it started going after the PDF documents. This is the first potential intrusion I have had since 2019 on this computer and I run it with security in mind over pretty much everything else.
This is the truncated log from today, I have not opened Cura on this computer for a long time before hand so I have excluded that part (March 2021 was the last log entry before these). The exit at the end may be from Avast killing it but I think it just blocked the actions.
2022-07-28 21:00:20,928 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] 2022-07-28 21:00:20,929 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FileLogger 2022-07-28 21:00:20,931 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Cura_SteamEngine version 4.8.0 2022-07-28 21:00:20,933 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] Copyright (C) 2020 Ultimaker 2022-07-28 21:00:20,934 - DEBUG - [MainThread] UM.Backend.Backend._logSocketState [192]: Socket state changed to Connected 2022-07-28 21:00:20,936 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] 2022-07-28 21:00:20,938 - DEBUG - [MainThread] UM.Backend.Backend._onSocketStateChanged [181]: Backend connected on port 49674 2022-07-28 21:00:20,939 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] This program is free software: you can redistribute it and/or modify 2022-07-28 21:00:20,941 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] it under the terms of the GNU Affero General Public License as published by 2022-07-28 21:00:20,943 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] the Free Software Foundation, either version 3 of the License, or 2022-07-28 21:00:20,945 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] (at your option) any later version. 2022-07-28 21:00:20,947 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] 2022-07-28 21:00:20,948 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] This program is distributed in the hope that it will be useful, 2022-07-28 21:00:20,950 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] but WITHOUT ANY WARRANTY; without even the implied warranty of 2022-07-28 21:00:20,952 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 2022-07-28 21:00:20,953 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] GNU Affero General Public License for more details. 2022-07-28 21:00:20,955 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] 2022-07-28 21:00:20,957 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] You should have received a copy of the GNU Affero General Public License 2022-07-28 21:00:20,959 - DEBUG - [EngineErrorThread] UM.Backend.Backend._backendLog [110]: [Backend] along with this program. If not, see <http://www.gnu.org/licenses/>. 2022-07-28 21:00:20,969 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FirmwareUpdateChecker 2022-07-28 21:00:20,976 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin FirmwareUpdater 2022-07-28 21:00:20,982 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeGzReader 2022-07-28 21:00:20,988 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeGzWriter 2022-07-28 21:00:20,994 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeProfileReader 2022-07-28 21:00:21,008 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeReader 2022-07-28 21:00:21,016 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin GCodeWriter 2022-07-28 21:00:21,026 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ImageReader 2022-07-28 21:00:21,033 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LegacyProfileReader 2022-07-28 21:00:21,039 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LocalContainerProvider 2022-07-28 21:00:21,048 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin LocalFileOutputDevice 2022-07-28 21:00:21,054 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MachineSettingsAction 2022-07-28 21:00:21,061 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ModelChecker 2022-07-28 21:00:21,067 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MonitorStage 2022-07-28 21:00:21,076 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PerObjectSettingsTool 2022-07-28 21:00:21,083 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PostProcessingPlugin 2022-07-28 21:00:21,088 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PrepareStage 2022-07-28 21:00:21,094 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin PreviewStage 2022-07-28 21:00:21,104 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin RemovableDriveOutputDevice 2022-07-28 21:00:21,110 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SentryLogger 2022-07-28 21:00:21,128 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SimulationView 2022-07-28 21:00:21,134 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SliceInfoPlugin 2022-07-28 21:00:21,143 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SolidView 2022-07-28 21:00:21,150 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SupportEraser 2022-07-28 21:00:21,182 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace 2022-07-28 21:00:21,184 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None 2022-07-28 21:00:21,185 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace 2022-07-28 21:00:21,187 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None 2022-07-28 21:00:21,188 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace 2022-07-28 21:00:21,190 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None 2022-07-28 21:00:21,192 - WARNING - [MainThread] UM.Logger.logException [106]: Exception: Failed to load packages for Marketplace 2022-07-28 21:00:21,193 - WARNING - [MainThread] UM.Logger.logException [110]: NoneType: None 2022-07-28 21:00:21,198 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin Toolbox 2022-07-28 21:00:21,205 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin CameraTool 2022-07-28 21:00:21,213 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin MirrorTool 2022-07-28 21:00:21,224 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin RotateTool 2022-07-28 21:00:21,234 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin ScaleTool 2022-07-28 21:00:21,240 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SelectionTool 2022-07-28 21:00:21,248 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin TranslateTool 2022-07-28 21:00:21,254 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin TrimeshReader 2022-07-28 21:00:21,265 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UFPReader 2022-07-28 21:00:21,273 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UFPWriter 2022-07-28 21:00:21,280 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UltimakerMachineActions 2022-07-28 21:00:21,395 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UM3NetworkPrinting 2022-07-28 21:00:21,405 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin UpdateChecker 2022-07-28 21:00:21,406 - INFO - [Thread-1] UpdateChecker.UpdateCheckerJob.run [40]: Checking for new version of cura 2022-07-28 21:00:21,605 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin USBPrinting 2022-07-28 21:00:21,756 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade21to22 2022-07-28 21:00:21,795 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade22to24 2022-07-28 21:00:21,845 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade25to26 2022-07-28 21:00:21,891 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade26to27 2022-07-28 21:00:21,954 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade27to30 2022-07-28 21:00:22,016 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade30to31 2022-07-28 21:00:22,068 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade32to33 2022-07-28 21:00:22,120 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade33to34 2022-07-28 21:00:22,180 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade34to35 2022-07-28 21:00:22,250 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade35to40 2022-07-28 21:00:22,310 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade40to41 2022-07-28 21:00:22,380 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade41to42 2022-07-28 21:00:22,408 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade42to43 2022-07-28 21:00:22,416 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade43to44 2022-07-28 21:00:22,423 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade44to45 2022-07-28 21:00:22,430 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade45to46 2022-07-28 21:00:22,438 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade460to462 2022-07-28 21:00:22,446 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade462to47 2022-07-28 21:00:22,453 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin VersionUpgrade47to48 2022-07-28 21:00:22,461 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin SimpleView 2022-07-28 21:00:22,474 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin X3DReader 2022-07-28 21:00:22,489 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin XmlMaterialProfile 2022-07-28 21:00:22,496 - INFO - [MainThread] UM.Logger.info [122]: Loaded plugin XRayView 2022-07-28 21:00:22,498 - DEBUG - [MainThread] UM.PluginRegistry.loadPlugins [432]: Loading all plugins took 2.566051483154297 seconds 2022-07-28 21:00:22,510 - INFO - [MainThread] UM.VersionUpgradeManager.upgrade [163]: Looking for old configuration files to upgrade. 2022-07-28 21:00:22,640 - INFO - [MainThread] UM.VersionUpgradeManager.upgrade [175]: Checking and performing updates took 0.12921953201293945 2022-07-28 21:00:24,320 - DEBUG - [MainThread] UM.Settings.ContainerRegistry.loadAllMetadata [361]: Loading metadata into container registry took 1.5797045230865479 seconds 2022-07-28 21:00:24,330 - DEBUG - [MainThread] cura.Scene.CuraSceneController.setActiveBuildPlate [142]: Select build plate: 0 2022-07-28 21:00:24,332 - INFO - [MainThread] cura.CuraApplication.run [782]: Initializing machine error checker 2022-07-28 21:00:24,481 - INFO - [MainThread] cura.UI.MachineActionManager.addDefaultMachineActions [74]: Default machine actions added for machine definition [creality_ender5] 2022-07-28 21:00:24,581 - INFO - [MainThread] cura.Settings.GlobalStack.addExtruder [194]: Extruder[creality_base_extruder_0 #4] added to [Hermender5] at position [0] 2022-07-28 21:00:24,582 - INFO - [MainThread] FirmwareUpdateChecker.FirmwareUpdateChecker.checkFirmwareVersion [79]: No machine with name Creality Ender-5 in list of firmware to check. 2022-07-28 21:00:25,022 - DEBUG - [MainThread] cura.Machines.ContainerTree.__getitem__ [120]: Adding container tree for creality_ender5 took 0.43184566497802734 seconds. 2022-07-28 21:00:25,030 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: ChangeAtZ 2022-07-28 21:00:25,032 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: ColorMix 2022-07-28 21:00:25,033 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: DisplayFilenameAndLayerOnLCD 2022-07-28 21:00:25,035 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: DisplayProgressOnLCD 2022-07-28 21:00:25,036 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: FilamentChange 2022-07-28 21:00:25,037 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: InsertAtLayerChange 2022-07-28 21:00:25,040 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: PauseAtHeight 2022-07-28 21:00:25,041 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: RetractContinue 2022-07-28 21:00:25,043 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: SearchAndReplace 2022-07-28 21:00:25,046 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: Stretch 2022-07-28 21:00:25,047 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: TimeLapse 2022-07-28 21:00:25,049 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin.loadScripts [202]: Begin loading of script: UsePreviousProbeMeasurements 2022-07-28 21:00:25,069 - WARNING - [MainThread] UM.Settings.InstanceContainer.setProperty [376]: Tried to set value of setting #retraction_extra_prime_amount that has no instance in container Super Quality or its definition Creawsome Base Printer 2022-07-28 21:00:25,128 - INFO - [MainThread] cura.CuraApplication.run [787]: Initializing machine manager 2022-07-28 21:00:25,131 - INFO - [MainThread] cura.CuraApplication.run [792]: Initializing container manager 2022-07-28 21:00:25,133 - INFO - [Thread-1] UpdateChecker.UpdateCheckerJob.run [85]: Found a new version of the software. Spawning message 2022-07-28 21:00:25,167 - DEBUG - [MainThread] UM.Scene.Camera._preferencesChanged [255]: Changing perspective mode to perspective. 2022-07-28 21:00:25,197 - DEBUG - [MainThread] UM.Qt.Bindings.Theme.load [158]: Loading theme file: C:\Program Files\Ultimaker Cura 4.8.0\resources\themes\cura-light\theme.json 2022-07-28 21:00:25,534 - DEBUG - [MainThread] UM.Qt.Bindings.Theme.load [246]: Loaded theme C:\Program Files\Ultimaker Cura 4.8.0\resources\themes\cura-light 2022-07-28 21:00:25,941 - DEBUG - [MainThread] cura.Machines.MachineErrorChecker._rescheduleCheck [155]: New error check scheduled. 2022-07-28 21:00:26,597 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin._createView [340]: Creating post processing plugin view. 2022-07-28 21:00:26,725 - DEBUG - [MainThread] PostProcessingPlugin.PostProcessingPlugin._createView [350]: Post processing view created. 2022-07-28 21:00:26,839 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token 2022-07-28 21:00:26,841 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token 2022-07-28 21:00:26,843 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService._parseJWT [100]: There was no auth data or access token 2022-07-28 21:00:27,457 - DEBUG - [MainThread] cura.Machines.Models.NozzleModel._update [28]: Updating NozzleModel. 2022-07-28 21:00:27,560 - DEBUG - [MainThread] UM.Controller.setActiveStage [180]: Setting active stage to PrepareStage 2022-07-28 21:00:27,637 - DEBUG - [MainThread] cura.Machines.Models.NozzleModel._update [28]: Updating NozzleModel. 2022-07-28 21:00:27,668 - WARNING - [MainThread] UM.Qt.QtApplication.__onQmlWarning [406]: file:///C:/Program Files/Ultimaker Cura 4.8.0/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml:234: TypeError: Cannot read property 'activeStack' of undefined 2022-07-28 21:00:27,703 - DEBUG - [MainThread] UM.Controller.setActiveView [108]: Setting active view to SolidView 2022-07-28 21:00:27,707 - DEBUG - [MainThread] ModelChecker.ModelChecker._createView [117]: Creating model checker view. 2022-07-28 21:00:27,713 - DEBUG - [MainThread] ModelChecker.ModelChecker._createView [126]: Model checker view created. 2022-07-28 21:00:27,713 - DEBUG - [MainThread] SliceInfoPlugin.SliceInfo._createDialog [76]: Creating dialog [MoreInfoWindow.qml] 2022-07-28 21:00:27,757 - DEBUG - [MainThread] Toolbox.src.Toolbox._makeRequestByType [544]: Requesting [updates] metadata from server. 2022-07-28 21:00:27,759 - DEBUG - [MainThread] cura.OAuth2.AuthorizationService.getAccessToken [124]: No auth data to retrieve the access_token from 2022-07-28 21:00:27,761 - WARNING - [MainThread] UM.Logger.warning [128]: Cannot add authorization to Cloud Api request 2022-07-28 21:00:27,828 - DEBUG - [MainThread] cura.CuraApplication.run [833]: Booting Cura took 8.603274583816528 seconds 2022-07-28 21:00:27,830 - DEBUG - [Thread-2] cura.Machines.ContainerTree.run [174]: Started background loading of MachineNodes 2022-07-28 21:00:28,997 - INFO - [MainThread] FirmwareUpdateChecker.FirmwareUpdateChecker.checkFirmwareVersion [79]: No machine with name Creality Ender-3 in list of firmware to check. 2022-07-28 21:00:29,014 - DEBUG - [MainThread] cura.Machines.Models.QualityProfilesDropDownMenuModel._update [62]: Updating QualityProfilesDropDownMenuModel. 2022-07-28 21:00:29,102 - DEBUG - [MainThread] cura.Machines.Models.CustomQualityProfilesDropDownMenuModel._update [33]: Updating CustomQualityProfilesDropDownMenuModel. 2022-07-28 21:00:29,246 - DEBUG - [MainThread] cura.Machines.Models.QualityProfilesDropDownMenuModel._update [62]: Updating QualityProfilesDropDownMenuModel. 2022-07-28 21:00:29,249 - DEBUG - [MainThread] cura.Machines.Models.CustomQualityProfilesDropDownMenuModel._update [33]: Updating CustomQualityProfilesDropDownMenuModel. 2022-07-28 21:00:30,198 - DEBUG - [MainThread] UM.Qt.QtRenderer._initialize [210]: Support for Vertex Array Objects: True 2022-07-28 21:00:30,250 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [112]: Initialized OpenGL subsystems. 2022-07-28 21:00:30,258 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [113]: OpenGL Version: 4.1.0 NVIDIA 497.29 2022-07-28 21:00:30,265 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [114]: OpenGL Vendor: NVIDIA Corporation 2022-07-28 21:00:30,272 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [115]: OpenGL Renderer: NVIDIA GeForce RTX 2080/PCIe/SSE2 2022-07-28 21:00:30,279 - DEBUG - [MainThread] UM.View.GL.OpenGL.__init__ [116]: GLSL Version: 4.0.0 2022-07-28 21:00:30,292 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\default.shader]... 2022-07-28 21:00:30,338 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\selection.shader]... 2022-07-28 21:00:30,464 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\select_face.shader]... 2022-07-28 21:00:30,517 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\default.shader]... 2022-07-28 21:00:30,543 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\composite.shader]... 2022-07-28 21:00:30,550 - DEBUG - [Thread-2] cura.Machines.ContainerTree.__getitem__ [120]: Adding container tree for creality_ender3 took 0.5518748760223389 seconds. 2022-07-28 21:00:30,552 - DEBUG - [Thread-2] cura.Machines.ContainerTree.run [185]: All MachineNode loading completed 2022-07-28 21:00:30,565 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\overhang.shader]... 2022-07-28 21:00:30,582 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\striped.shader]... 2022-07-28 21:00:30,596 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\transparent_object.shader]... 2022-07-28 21:00:30,606 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\striped.shader]... 2022-07-28 21:00:30,611 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\xray.shader]... 2022-07-28 21:00:30,618 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\xray_composite.shader]... 2022-07-28 21:00:30,634 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\default.shader]... 2022-07-28 21:00:30,637 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\grid.shader]... 2022-07-28 21:00:30,650 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\platform.shader]... 2022-07-28 21:00:30,668 - DEBUG - [MainThread] UM.View.GL.ShaderProgram.load [58]: Loading shader file [C:\Program Files\Ultimaker Cura 4.8.0\resources\shaders\xray.shader]... 2022-07-28 21:00:32,935 - INFO - [MainThread] cura.Machines.MachineErrorChecker._setResult [214]: Error check finished, result = False, time = 7.0s 2022-07-28 21:00:41,559 - DEBUG - [MainThread] cura.AutoSave._onTimeout [59]: Autosaving preferences, instances and profiles 2022-07-28 21:10:12,140 - DEBUG - [MainThread] cura.TaskManagement.OnExitCallbackManager.triggerNextCallback [51]: No more on-app-exit callbacks to process. Tell the app to exit. 2022-07-28 21:10:12,141 - INFO - [MainThread] cura.CuraApplication.closeApplication [603]: Close application 2022-07-28 21:10:12,157 - DEBUG - [MainThread] UM.Qt.QtApplication.windowClosed [470]: Shutting down cura 2022-07-28 21:10:12,172 - DEBUG - [MainThread] CuraEngineBackend.CuraEngineBackend._terminate [315]: Attempting to kill the engine process 2022-07-28 21:10:12,172 - DEBUG - [MainThread] CuraEngineBackend.CuraEngineBackend._terminate [321]: Killing engine process 2022-07-28 21:10:12,175 - DEBUG - [MainThread] CuraEngineBackend.CuraEngineBackend._terminate [324]: Engine process is killed. Received return code 1
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ahoeben 1,992
This is highly unusual. Theorectically, a malware plugin could be doing this, but all plugins from the Marketplace are checked by developers for functionality and bad behavior. So this is unlikely the case (unless you have plugins or postprocessing scripts from other sources).
Would you mind sharing your Cura.log file? If there is indeed a "malware" plugin in your install, it would likely be showing up in the logs. It can be found in %APPDATA%\cura\4.8
Other than something that has been installed in your Cura configuration, it could be that a virus has infected the Cura.exe executable, and is making it do other things than Cura is supposed to do.
One last possibility, but I think Avast would recognise this, is that the File Open dialog may be reading the PDFs to display a thumbnail. But that would mean that this Avast message would have to pop up for many more applications you use to open files directly from your downloads folder.
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