Knowledge base for software setup, errors, and daily tool work.

Fix Windows Defender Real-Time Protection Access Denied

You try to turn on Windows Defender real-time protection but get an 'access denied' message. This...

How to Fix Remote Desktop Port 3383 Already in Use

When you try to start a Remote Desktop session and get an error that port 3389 is already in use,...

Fix Windows Search Login Loop Error 0x80070520

When you see error 0x80070520 in Windows Search, it usually means the search indexer cannot authe...

How to Fix Remote Desktop Services 504 Gateway Timeout

If you're getting a 504 Gateway Timeout when connecting to Remote Desktop Services, the gateway o...

Fix PowerShell Proxy Authentication Failed Errors

Fix Windows Security 'Failed to Start' Group Policy Error

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...