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

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fix PowerShell Module Not Found on Windows 10

You run a PowerShell command like Import-Module and get an error: "The specified mod...

Fixing Microsoft Teams Module Not Found Error

If you see "Module not found" when starting Microsoft Teams, it usually means a core component is...

Fix Windows Defender Access Denied Error Due to Malware

You try to open Windows Defender Security Center or run a scan, but get an 'Access Denied' error....

Fix Certbot Renew Certificate Not Working

You run certbot renew and nothing happens, or you get an error. Renewal failures oft...

Fix Nginx 502 Bad Gateway in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...