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

How to Fix High Memory Usage from Windows Activation

If you notice your PC running slow and Task Manager shows high memory usage (often 50% or more) w...

Fix Remote Desktop 504 Gateway Timeout on Windows 10

If you see a "504 Gateway Timeout" error when connecting to a remote desktop on Windows 10, the c...

Fix Windows Defender Corrupted Cache Error

If you see an error like "Windows Defender cache corrupted" or "The Windows Defender cache is cor...

Fix Windows Terminal Version Mismatch Permission Denied Error

If you see a 'version mismatch' or 'permission denied' error when launching Windows Terminal, it ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Remote Desktop Connection Not Working

You try to connect to a remote PC but get an error, a black screen, or nothing happens. This is c...