Fix Windows Security High Memory Usage Error
If you notice your system slowing down and Task Manager shows Windows Security (or Antimalware Se...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Security 504 Gateway Timeout After Driver Update
You open Windows Security and see a 504 gateway timeout error. The interface loa...
Fix Windows Activation Rate Limit Error 0xC004C003
If you see error 0xC004C003 when trying to activate Windows 10, it usually means you've exceeded ...
Fix Windows Update Connection Refused Due to Firewall
If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...
Fix Windows Defender Stuck Loading After Update
After a Windows update, you might open Windows Defender Security Center and see a spinning circle...
Fix Windows Security Offline Installer Error 0x80070643
You're trying to install Windows Security (formerly Windows Defender) using an offline installer,...