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

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Windows Search 502 Bad Gateway Reset Steps

You search for a file or setting in Windows, and instead of results you see a 502 Bad Gateway err...

Fix Outlook 404 Not Found Error on Windows 10

If you see a '404 Not Found' error when opening Outlook or clicking a link in an email, it usuall...

Fix Firefox Not Responding: Disable Hardware Acceleration

If Firefox frequently stops responding, freezes, or shows a "Not Responding" message, hardware ac...

Fix Docker Entrypoint Script Exit Code 1

When a Docker container exits immediately with exit code 1, the entrypoint script is often the cu...

How to Add PowerShell to System PATH Variable in Windows

If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...