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Cannot get Win 10 to associate STL files with Cura


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Posted · Cannot get Win 10 to associate STL files with Cura

Despite having set the defaults correctly, I cannot get it to work. From File Explorer, d-clicking does not open Cura. Same for both 4.90 and 4.91. And using 'Open With...' does not create an entry for Cura.

 

Looks like a Win 10 issue, but so far Cura is the only application that's suffering.

 

I'm not a programmer but it seems that Win 10 is still trying (but failing) to open Cura 4.8.0, based on running SysInternals Procmon tool. I started Procmon running then quickly d-clicked an STL, waited a few seconds (with no Cura opening), then stopped Procmon and filtered the 256K entries by 'Process = Cura.exe' AND 'Path contains Ultimaker'. That gave 78 entries, the first few of which I've pasted below. ALL of them refer to 4.8.0.

 

Win 10 Version 20H2 (OS Build 19042.1052)

 

Anyone else seeing this issue or able to suggest possible fix please?

 

--------------------

Time                          Process      PID        Operation       Path                                                                                  Result         Detail
11:02:25.0527447    Cura.exe    10272    Load Image    C:\Program Files\Ultimaker Cura 4.8.0\Cura.exe    SUCCESS    Image Base: 0x7ff7bfb60000, Image Size: 0x14000

11:02:25.0575370    Cura.exe    10272    CreateFile    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    SUCCESS    Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a, OpenResult: Opened

11:02:25.0575544    Cura.exe    10272    CreateFile    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    Desired Access: Read Attributes, Disposition: Open, Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a, OpenResult: Opened

11:02:25.0575626    Cura.exe    10272    QueryBasicInformationFile    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    SUCCESS    CreationTime: 28/10/20 09:52:50, LastAccessTime: 10/06/21 11:01:09, LastWriteTime: 28/10/20 09:52:50, ChangeTime: 08/03/21 18:24:42, FileAttributes: A

11:02:25.0575751    Cura.exe    10272    CloseFile    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    SUCCESS    

11:02:25.0575830    Cura.exe    10272    QueryBasicInformationFile    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    CreationTime: 28/10/20 10:42:00, LastAccessTime: 10/06/21 11:01:09, LastWriteTime: 28/10/20 10:42:00, ChangeTime: 08/03/21 18:24:33, FileAttributes: A

11:02:25.0575980    Cura.exe    10272    CloseFile    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    

11:02:25.0577173    Cura.exe    10272    CreateFile    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    Desired Access: Read Data/List Directory, Execute/Traverse, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: n/a, ShareMode: Read, Delete, AllocationSize: n/a, OpenResult: Opened

11:02:25.0577185    Cura.exe    10272    CreateFile    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    SUCCESS    Desired Access: Read Data/List Directory, Execute/Traverse, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Non-Directory File, Attributes: n/a, ShareMode: Read, Delete, AllocationSize: n/a, OpenResult: Opened

11:02:25.0577463    Cura.exe    10272    CreateFileMapping    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    FILE LOCKED WITH ONLY READERS    SyncType: SyncTypeCreateSection, PageProtection:

11:02:25.0577922    Cura.exe    10272    QueryEAFile    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    SUCCESS    

11:02:25.0579234    Cura.exe    10272    CreateFileMapping    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    SyncType: SyncTypeOther

11:02:25.0580402    Cura.exe    10272    Load Image    C:\Program Files\Ultimaker Cura 4.8.0\VCRUNTIME140.dll    SUCCESS    Image Base: 0x7ffd754f0000, Image Size: 0x17000

11:02:25.0580477    Cura.exe    10272    CreateFileMapping    C:\Program Files\Ultimaker Cura 4.8.0\python35.dll    FILE LOCKED WITH ONLY READERS    SyncType: SyncTypeCreateSection, PageProtection:
--------------------

 

 

DefaultNotWorking.jpg

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    Posted · Cannot get Win 10 to associate STL files with Cura

    Need help on resolving this serious problem please. Spent most of yesterday and five hours today trying. Meanwhile  cannot open any STL from File Explorer by any means, except opening Cura first and dragging the file into it. Did not have this issue with 4.9.0

     

    In case it helps here is my log file:

    https://www.dropbox.com/sh/e9rhfzafqn6o8k6/AAA5kMik4Nf4bAE39jDun3hFa?raw=1

     

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