Hello Jos,
thank you for providing the library and description.
I was able to test your Content Center library on my side (Inventor 2027), and both your custom library and the standard Autodesk Content Center libraries work correctly. I am using an English Windows 11 environment with administrator privileges.
Since the issue also occurs with standard Content Center libraries on your side, this indicates that the problem is most likely related to the local system configuration rather than the library itself.
We have seen similar cases in the past, typically caused by environment or permission-related settings. Could you please check the following:
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Write permissions
Make sure you have full write access to the Content Center Files folder (the location where Inventor generates CC parts).
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Content Center Files location
Verify the path in:
Application Options → Content Center
Avoid using OneDrive or network-synced folders if possible.
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Controlled Folder Access / Antivirus
Windows security or company antivirus policies may block Inventor from writing files.
Try temporarily disabling Controlled Folder Access or allowing Inventor.
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Active project configuration (.ipj)
Ensure that the correct project is active and that Content Center libraries are properly enabled and set to In Use.
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Test with a new Windows user profile
This helps rule out user profile or permission issues.
These checks resolve the majority of similar Content Center placement issues.
Please let me know the results, and we can continue troubleshooting if needed.
Best regards
Roman
Roman Vesely
Inventor - Principal QA Engineer