Fix OneDrive Sync Blank Screen Issue - Resolve Windows Defender Port Conflict with Antivirus-BitLocker TPM Not Detected After Settings Reset: Fix

Updated 2026-06-14 01:06:32cloud-software
Fix OneDrive Sync Blank Screen Issue - Resolve Windows Defender Port Conflict with Antivirus-BitLocker TPM Not Detected After Settings Reset: Fix
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.