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Fix Microsoft Store Proxy Error 0x80131500 - Stop Windows Defender High CPU Usage: 5 Practical Fixes-Fix OneDrive Sync Not Connecting After Update

Updated 2026-06-17 09:21:18developer-tools
Fix Microsoft Store Proxy Error 0x80131500 - Stop Windows Defender High CPU Usage: 5 Practical Fixes-Fix OneDrive Sync Not Connecting After Update
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.