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

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...

Windows Security App Missing in Windows 11: How to Restore It

If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...

Fix Windows Update Service Permission Denied Error

You try to start the Windows Update service via services.msc or an elevated command prompt and ge...

Fix PowerShell Service Unavailable After Update

After a Windows update, you might see errors like "Service Unavailable" when trying to launch Pow...

Resolving npm Dependency Conflicts After an Update

Fix WinSCP Permission Denied When Downloading Files

You're connected to a remote server via WinSCP, browsing files fine, but when you try to download...