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

Fix Jupyter Notebook Token Not Working on Windows

When you start Jupyter Notebook (or JupyterLab) on Windows, it often opens a browser tab asking f...

Fix Windows Permission Denied When Installing Software

You're trying to install a program on Windows, but the installer stops with an error like "Access...

Fix Chrome Proxy Server Error in Windows 10

If you see 'ERR_PROXY_CONNECTION_FAILED' or 'Proxy server is not responding' in Chrome on Windows...

Windows Security Path Not Found: Troubleshooting Checklist

You open Windows Security and see a message like "Path not found" or the app fails to launch. Thi...

Windows Defender and Ubuntu Dual Boot Setup Guide

If you run a dual-boot system with Windows and Ubuntu, you may notice that Windows Defender somet...

Fix 'Permission Denied' When Creating a Folder in Command Prompt