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

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 Windows Update Error 0x80070643 in Windows 11

You're trying to install a Windows 11 update, but it fails with error 0x80070643. This usually me...

Fix Task Scheduler File Locked Permission Denied

You set up a task in Windows Task Scheduler, but it fails with an error like 'file locked' or 'pe...

How to Fix OpenVPN Connection Failed on Windows 10

OpenVPN connection failures on Windows 10 usually show a log message like 'Connection failed' or ...

Fix Command Prompt Not Recognizing Commands

Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...