Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...

Fix VSCode Git Authentication Failed: Reset Credentials

If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...

Fix Git Clone Connection Timed Out Due to Proxy Settings

You run git clone https://github.com/example/repo.git and after a long pause you get...

Fix Wi-Fi Adapter Not Working in Windows 11: No Internet

You connect to Wi-Fi in Windows 11, but the icon shows a globe with “No internet.” The adapter mi...