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

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Docker Container Exits Immediately with Exit Code 137

You start a Docker container, and it exits almost immediately with exit code 137. This usually me...

How to Run VS Code Terminal as Administrator

When working with system files, services, or certain development tools, you may need to run the V...

Git index.lock File Exists Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Fix Windows 11 Installation Assistant Stuck at 99%

Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...