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

Remote Desktop Auto Start Troubleshooting Checklist

If your remote desktop client does not start automatically when you boot your computer or connect...

Fix Windows Update Download Stuck on Ubuntu Dual Boot

If you're running Ubuntu alongside Windows and Windows Update gets stuck—especially at 0% or 99%—...

How to Fix Nginx 502 Bad Gateway Error

When you see a 502 Bad Gateway error from Nginx, it means Nginx could not get a valid response fr...

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...

Fixing Postman Request Timeout and Connection Refused Errors

When you see "request timeout" or "connection refused" in Postman, it usually means your request ...

Fix Windows Update 404 Not Found Error When Antivirus Interferes

You try to run Windows Update, but instead of the usual process, you get a 404 Not Found<...