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...

Fix Microsoft Store SSL Certificate Error Not Working

If Microsoft Store won't open or shows errors like 'SSL certificate error' or 'Can't connect to t...

Fix Microsoft Store Dependency Conflict with PowerShell

You open Microsoft Store and see an error like 0x80073D0A or 0x80073CF6...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Windows Activation: Token Expired vs Genuine Validation Failed

You see an activation warning in Windows, but the exact wording matters. Two common messages are ...

Chrome 502 Bad Gateway Error: Practical Fixes

You're browsing and suddenly get a 502 Bad Gateway error in Chrome. The page won't load, and you'...