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

Clear Windows Update Cache via Command Line

If Windows Update is stuck, failing with error codes, or taking too long to check for updates, a ...

Fix Azure CLI Token Expired in Windows Terminal

If you see an error like Azure CLI token is expired when running commands in Windows...

Fix Task Scheduler 502 Bad Gateway Not Working

If you see a 502 Bad Gateway error when Task Scheduler runs a task that hits a web service or IIS...

How to Reset Windows Defender Settings to Default

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

How to Unlock an Outlook File Locked After Crash Recovery

After an unexpected crash, Outlook may refuse to open your PST or OST file, showing a message tha...