Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

How to Fix a Microsoft Store App That Won't Download

You click install on a Microsoft Store app, but the download never starts, stalls at 0%, or fails...

Chrome Profile Settings Missing After Update: Fixes

After a Chrome update, you might open the browser only to find your bookmarks, extensions, themes...

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

How to Fix Microsoft Store Not Starting in Windows 11

You click the Microsoft Store icon and nothing happens—no window, no error, just silence. This is...

Fix MySQL Connection Refused on Localhost

You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...

Fix Chrome Profile Settings Not Saving: Step-by-Step Guide
You change a setting in Chrome—like the default search engine, startup page, or password manager—...