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

How to Fix Windows Activation Not Working on Ubuntu

If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...

How to Fix Windows Security Module Not Found Error

You open Windows Security and see "Module not found" or a blank interface. This usually means a c...

Fix Windows Security Loading Forever Error

You open Windows Security and it just spins—loading forever. This is a known issue on Windows 10 ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

Fix PowerShell Service Unavailable Error on Windows

You're running a PowerShell command and get a red error: "Service unavailable". ...