Issue:
Inventor 2026 'Can't find the Vault location' error after installing the Vault Client 2026.4 update:

Causes:
The error is caused by the Vault Data Standard Add-In.Â
It can also be caused by an incorrect Workspace path in the project file.Â
Solution:
- If you don't use Vault Data Standard, unload the Add-In Manager 2026 on the Tools ribbon.
Uncheck 'Load Automatically' and 'Loaded/unloaded'

- If you use Vault Data Standard, see the following article to fix errors in Inventor and AutoCAD. Edit Default.ps1 located in C:\ProgramData\Autodesk\Vault 2026\Extensions\DataStandard\CAD.Custom\addins\Default.ps1 :https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Can-t-find-the-Vault-location-error-in-Vault-Data-Standard-after-Vault-2026-4-update.html
- Verify that your Inventor project file has the Workspace set to a relative path: https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Vault-error-The-mapped-Vault-location-can-t-be-found-Please-ensure-the-mapped-folder-location-exists-during-Save-from-Inventor.html
How to uninstall Vault Data Standard:
- Using Microsoft Troubleshooter https://resources.imaginit.com/support-blog/how-to-remove-vault-data-standards
- Using Uninstall/Reinstall https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/How-to-uninstall-Vault-Data-Standard.html
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