Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Windows 11 Installation Assistant Stuck at 99% Registry

If the Windows 11 Installation Assistant gets stuck at 99% while processing registry entries, you...

Fix Windows Update Error 0x80070005 (Service Not Starting)

When Windows Update fails with error 0x80070005, the underlying message often points to a service...

Recover Lost Commits After Git Detached HEAD

You've made commits while in a detached HEAD state, and now you can't see them on any bra...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

You run a command like git remote add origin https://newurl.com/repo.git and get

How to Enable Network Discovery for Shared Folder Access

When you can't see other computers in File Explorer's Network section, or you get an erro...