How to Fix PowerShell Connection Refused Error - How to Fix Remote Desktop Error Code 0x4 Setup Guide-Reset Windows Defender Cache Using CMD or PowerShell
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.