Fix OneDrive Error 0x8004de40: Connection or Credential Issue - Safe Mode Windows Defender Hanging: Solutions-Fix Chrome Authentication Failed Due to Proxy
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.