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 Git 'refusing to merge unrelated histories' Error

When you try to merge two Git branches that don't share a common commit history, Git stops wi...

Fix ERR_NAME_NOT_RESOLVED with CMD: Step-by-Step Guide

When you see ERR_NAME_NOT_RESOLVED in your browser, it usually means your computer can't tran...

Fix ERR_CONNECTION_RESET in Chrome on Windows 10

If you see ERR_CONNECTION_RESET in Chrome on Windows 10, it means the TCP connec...

Fix ERR_NAME_NOT_RESOLVED on All Sites in Chrome

If Chrome shows ERR_NAME_NOT_RESOLVED on every site you visit, it means your bro...

Windows 11 Update Stuck at 0%: Manual Download Fix

You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...