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

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...

Windows Explorer Keeps Restarting in Windows 11: Fixes

If Windows Explorer keeps restarting on your Windows 11 PC, you'll see the taskbar and deskto...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Chrome Won't Open After Update: Step-by-Step Fix

You updated Chrome, and now it won't open—no window, no error, just nothing. This is a common...

How to Uninstall a Windows Update in Safe Mode After a Blue Screen

If you're seeing a blue screen after installing a Windows update, the update itself may be th...