Enable Windows Defender After Disabling Third-Party Antivirus - How to Resolve Access Denied in Teams File Upload-BitLocker Recovery Key Failure: Troubleshooting Guide

Updated 2026-06-15 18:53:24browser-issues
Enable Windows Defender After Disabling Third-Party Antivirus - How to Resolve Access Denied in Teams File Upload-BitLocker Recovery Key Failure: Troubleshooting Guide
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.