How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
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Browse labFix Port Already Allocated Error When Windows Security Is Off
You try to start a local server or application and get an error saying the port is already alloca...
Fix 'Windows Update Service Not Running Permission Denied'
When you try to run Windows Update and see an error like 'The Windows Update service is not runni...
MySQL Connection Refused on Port 3306: Causes and Fixes
If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...
How to Fix Windows Update Error 0x80070002
You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...
Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...