Fix OBS Black Screen and Permission Denied on Windows 11 - Fix Windows Search by Clearing Cache-Fix Windows Defender Error 0x80070422: Cannot Connect

Updated 2026-06-14 19:49:01security-tools
Fix OBS Black Screen and Permission Denied on Windows 11 - Fix Windows Search by Clearing Cache-Fix Windows Defender Error 0x80070422: Cannot Connect
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.