Checklists for software errors, setup, and tool workflows.

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Fix Command Prompt Not Launching from Taskbar

You click the Command Prompt icon on the taskbar, but nothing happens. No window, no error, just ...

How to Setup BitLocker Without a Network Connection

BitLocker normally requires a network connection to back up the recovery key to Active Directory....

How to Fix Windows Defender Not Working

If Windows Defender won't open, stops responding, or fails to update, you're not alone. This guid...

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

Fix Microsoft Store 404 Not Found Error on Reinstall

When you try to reinstall an app from the Microsoft Store and get a 404 Not Found

Fix Windows Defender Error 0x80073b01 (Crash on Startup)
If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...