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

Fix Windows Defender Login Loop on Windows 10

If Windows Defender keeps asking you to sign in repeatedly on Windows 10, even after you enter co...

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 PowerShell 504 Gateway Timeout When Calling REST API

When you call a REST API from PowerShell and get a 504 Gateway Timeout, it means the server upstr...

Fix PowerShell Not Opening After Windows Update

After a Windows update, you might find that PowerShell won't open at all—no window appears, or it...

Fix 'Remote Desktop Command Not Found' Error