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

How to Fix Windows Defender Antivirus Disabled Permanently

If Windows Defender Antivirus stays disabled even after you try to turn it on, the problem is oft...

Fix Windows Search Blank Screen: Restore Default Settings

You click the search bar or press the Windows key and start typing, but instead of results you se...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix OneDrive Stuck on 'Processing Changes' Sync Issue

You open OneDrive and see "Processing changes" for minutes or hours. Files don't sync, and you ca...