How to Fix Windows Security Version Mismatch Configuration Error
You may see a “version mismatch” or “configuration error” in Windows Security (formerly Windows D...
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All notesFix Windows Defender Error 0x80070643 – Version Mismatch
You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...
Fix Windows Defender Error 0x80073b01 (Crash on Startup)
If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...
Fix Task Scheduler 'Run with Highest Privileges' Permission Denied
You set a scheduled task to run with highest privileges, but it fails with 'Access Denied' or 'Pe...
Fix Windows Search Not Working Due to Dependency Conflict
If Windows Search stops returning results or the search box shows no results, a dependency confli...
Fix Windows Security Service Not Starting
You open Windows Security and see an error that the service isn't running. Or you get a notificat...
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