Fix Windows Defender Error 0x80073b01 - How to Fix Remote Desktop Credentials Not Working in Windows 10-SSL Certificate Error in Windows Defender: Troubleshooting Checklist

Updated 2026-06-13 14:51:53office-tools
Fix Windows Defender Error 0x80073b01 - How to Fix Remote Desktop Credentials Not Working in Windows 10-SSL Certificate Error in Windows Defender: Troubleshooting Checklist
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.