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Fix Windows Defender File Locked Permission Denied Error - How to Unstick Microsoft Teams Installation at 90 Percent-Fix 'File in Use' Error When Searching in Windows Explorer

Updated 2026-06-15 00:34:12security-tools
Fix Windows Defender File Locked Permission Denied Error - How to Unstick Microsoft Teams Installation at 90 Percent-Fix 'File in Use' Error When Searching in Windows Explorer
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.

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