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

Fix Windows Search Update Configuration Failed Error

You see the message 'Windows Search update configuration failed' after a Windows update. This usu...

Fix Git Clone Permission Denied (Publickey) but SSH Works

You try to git clone a repository and get a "Permission denied (publickey)" error, y...

How to Unlock a File Locked by Task Scheduler

You try to edit, move, or delete a file and get an error like “The action can’t be completed beca...

Fix Windows Activation Error 0xc004f074: Permission Denied

You see error 0xc004f074 when trying to activate Windows, often with a message about permission d...

Fix Windows Defender Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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