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

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Fix Windows 11 Blue Screen After Update with Recovery Environment

If you're seeing a blue screen after a Windows 11 update and can't boot normally, the Win...

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

Fix Chrome Crash on Startup Due to Corrupt User Profile

If Chrome crashes immediately when you open it, or shows a warning that your profile may be corru...

Docker Container Exits Immediately with Volume Mount – Fixes

You start a Docker container with a volume mount, and it exits immediately – no error, or just a ...

Fix Nginx 502 Bad Gateway on Docker Ubuntu