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

Fix Windows Security Error 0x80073b01: App Install Blocked

When you try to install a Windows app from the Microsoft Store, you might see error code 0x80073b...

Fix Command Prompt Auto Start Error 0x80070005

If you've set Command Prompt to run automatically at startup (via Startup folder, Task Scheduler,...

Fix Windows Security Blank Screen After Update

After a Windows update, some users open Windows Security and see only a blank white or gray scree...

Fix PowerShell Proxy Authentication Failed Errors

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Fix Outlook Stuck on Loading Profile in Windows 10

You open Outlook on Windows 10, and it sits at the "Loading profile" screen for minutes or never ...