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Windows Defender High CPU and Memory Usage Not Working: Fixes - Resolve Windows Activation Error 0x8007007b-Fix 'Port Already Allocated' in Teams by Deleting Cache Files

Updated 2026-06-18 06:32:55cloud-software
Windows Defender High CPU and Memory Usage Not Working: Fixes - Resolve Windows Activation Error 0x8007007b-Fix 'Port Already Allocated' in Teams by Deleting Cache Files
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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