Fix Windows Security Token Expired Error 0x80070520 - Apache Service Not Starting on Linux: Troubleshooting Steps-Fix 'Windows Defender File Locked Cannot Access' Error
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.