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

Chrome Extension Not Working After Restart: Fixes

You restart Chrome, and suddenly one or more extensions are grayed out, missing, or not functioni...

How to Fix Chrome SSL Certificate Error After Update

How to Fix Windows Update Stuck at Checking for Updates

You open Windows Update, and it sits on “Checking for updates” for 30 minutes or more. This is a ...

Fix PuTTY Connection Refused: Check SSH Service

When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...

How to Reset Your Jupyter Notebook Token

When you try to open Jupyter Notebook and see a prompt asking for a token or password, you've lik...

Fix OneDrive Sync Permission Denied & Connection Refused

You're working and OneDrive stops syncing, showing "Permission Denied" or "Connection Refused." T...