Checklists for software errors, setup, and tool workflows.

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...

How to Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then... nothing. Th...

Fix ERR_CONNECTION_RESET on Chrome for Android

If you see the ERR_CONNECTION_RESET error in Chrome on your Android phone or tab...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix Windows Update Service Not Running with Permission Denied

You try to run Windows Update and get an error that the service is not running. When you try to s...

Fix 'python command not found' on Windows

You're trying to run a Python script on Windows, but you get an error like 'python&...