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

Reactivate Windows After Clean Install Without Product Key

If you've performed a clean install of Windows and can't find your product key, activation may fa...

Fix Microsoft Teams Network Errors After Update

After a Microsoft Teams update, you might see errors like “Can’t connect to network” or “Network ...

Fix Jupyter Notebook Token Not Working on Ubuntu

You launch Jupyter Notebook on Ubuntu, but when you open the URL in your browser, the token promp...

Fix Chrome Authentication Failed After Password Change

If you changed your Google Account password and now Chrome says "authentication failed" when tryi...

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Fix 'PowerShell Not Recognized as Internal or External Command'