Checklists for software errors, setup, and tool workflows.

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Fix Git Push Rejected Non Fast Forward Error

When you try to push commits to a remote repository and see “rejected – non-fast-forward”, it mea...

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...

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

Windows Update Service Missing from Services.msc: Fixes

If you open Services.msc and the Windows Update service (wuauserv) is not listed, automatic updat...

Fix VS Code GitHub Authentication Failed Error

You're trying to push or pull code in VS Code, but you see an error like Authentication...

Windows Update Service Not Running: Registry Fix Guide
If Windows Update fails to run, the service may be disabled or corrupted. This guide covers regis...