How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
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3. Apply
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View listFix OneDrive File Locked by Office Document Sync Issue
You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...
Fix OneDrive Error 0x8004deb4: Sync Failed to Start
OneDrive error 0x8004deb4 typically appears when you try to start syncing but the process fails i...
Fix Windows Defender Blank Screen in Safe Mode
You boot into Safe Mode to run a malware scan, but Windows Defender shows nothing—just a blank wh...
Windows Search 404 Error: Practical Troubleshooting Checklist
If Windows Search shows a '404' error or simply returns no results, the search index is likely co...
Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
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