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

Jupyter Kernel Not Starting in VS Code: Quick Fixes

You open a Jupyter notebook in VS Code, try to run a cell, and the kernel either hangs on "Starti...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Windows Defender Path Not Found Error 0x80070643

When you try to update or run Windows Defender, you might see error 0x80070643 with a message lik...

Fix OneDrive Not Syncing After Windows 11 Update

After a Windows 11 update, OneDrive may stop syncing files. This is usually due to changed settin...

Fix Windows Security Connection Timeout Error

When you see a 'connection timeout' error in Windows Security, it usually means the app can't rea...

Fix 'Windows Defender Command Not Found' in Windows 10

You open Command Prompt or PowerShell, type something like MpCmdRun or Get-MpC...