How to Fix Windows Defender Update Error 0x80070643
If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...
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All notesFix Windows Search High CPU Usage by Rebuilding Index
If your PC fan is spinning up and Task Manager shows SearchIndexer.exe using high CPU, the search...
Fix Windows Activation Login Loop Stuck on Sign-In Screen
You've just installed or upgraded Windows, and after the first reboot, you're stuck at the sign-i...
Fix Windows Update SSL Certificate Error 0x80072f0d
You see error 0x80072f0d when checking for Windows updates. The system cannot verify the update s...
Set Windows Defender Threat Service to Automatic Startup
If Windows Defender is not running or you see errors like “Threat service has stopped,” the under...
Fix Windows Security Connection Refused via Group Policy
You open Windows Security and see 'Connection refused' or 'Something went wrong.' Often this happ...
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