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...

Debugging Jest Tests in VS Code: Breakpoints Not Hit

You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...

Docker Compose Environment Variable Override Not Working: Fixes & Checks

You set an environment variable in your shell or .env file, but Docker Compose ignor...

Windows Security App Won't Open in Safe Mode: Fixes

If you’re in Safe Mode and the Windows Security app refuses to open—showing a blank window, crash...

Fix VSCode Terminal 'Permission Denied' on Windows

If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...