Fix Windows Defender Service Not Starting (Error 404)
If you see error 404 when trying to start Windows Defender, it usually means the service executab...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labWhere Windows Defender Stores Its Cache Files
If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...
Fix 'Windows Defender Failed to Start Due to Group Policy' Error
You may see an error saying 'Windows Defender failed to start due to group policy' when trying to...
Fix 'PowerShell Not Recognized' Error on Windows
When you type powershell in Command Prompt or a script and see “powershell is not re...
How to Fix Chrome Profile SSL Certificate Error
You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...
Fix Error 0x80070426 in Microsoft Teams Microphone
When you see error code 0x80070426 in Microsoft Teams while trying to use your microphone, it usu...