Knowledge base for software setup, errors, and daily tool work.

Fix Microsoft Store Blank Screen When Opening an App

You launch an app from the Microsoft Store, and instead of the app window, you get a blank screen...

Fix Microsoft Store Proxy Error 0x80131500

When you open Microsoft Store and see error 0x80131500, the app usually fails to load content or ...

Fix BitLocker Rate Limit Error After Multiple Attempts

You’ve entered your BitLocker PIN or recovery key several times, and now you see a rate limit err...

Windows Defender Not Opening on Windows 11: How to Fix

If you click the Windows Defender icon or search for it and nothing happens, you're not alone. Th...

Fix 'PowerShell Not Recognized as Internal or External Command'