Checklists for software errors, setup, and tool workflows.

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Fix Windows Security File Locked Error 0x80070020

You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...

How to Manually Resolve Windows Update Dependency Conflicts

You run Windows Update, and it fails with an error like 0x80073701 or 0x800f0982. The problem oft...

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

Windows Store App Downloads Not Starting – Fixes That Work

You click install, but the download bar never moves. Maybe it shows “Pending” or just freezes. Th...

Fix Windows Update 404 Not Found Error When Antivirus Interferes

You try to run Windows Update, but instead of the usual process, you get a 404 Not Found<...

Fix Chrome Extensions Not Loading: Error Message Guide
You open Chrome, click the extensions icon, and nothing shows up—or you get an error message like...