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

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix OneDrive Sync Not Connecting After Update

After a Windows or Office update, OneDrive may stop syncing and show errors like "Can't connect t...

Jupyter Kernel Stuck on Connecting: Practical Fixes

You launch a notebook, but the kernel indicator stays gray or shows “connecting” for minutes. Thi...

Fix Command Prompt Not Recognizing Commands

You type a command in Command Prompt and get '...' is not recognized as an internal or exte...