Fix 'Path Not Found' Errors in Command Prompt - Fix Defender Cache Error in Windows 10 and 11-How to Fix Windows Update Error 0x80070005 Access Denied
Before changing system settings, save your work and note the exact error text so you can compare results after each step.
Extra verification checklist
- Restart the affected app after changing permissions or configuration files.
- Test the same workflow in a clean browser profile or a temporary user account.
- Compare the result on another network if the error may be connection related.