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

Windows Defender Real-Time Protection Won't Turn On: Fixes

You open Windows Security, toggle real-time protection on, but it slides back to off. This is a c...

How to Fix 'Microsoft Store Not Opening' Permission Denied Error

You click the Microsoft Store icon, but nothing happens—or you see a "permission denied" message....

How to Fix Windows Update Setup Error 0x80070643

You're trying to install a Windows update and get error 0x80070643. This usually appears during t...

How to Fix PowerShell Script Permission Denied Error

You try to run a PowerShell script and get a 'permission denied' error. This can happen for sever...

How to Fix Chrome Extensions Not Working After Update

After a Chrome update, some extensions may stop working or disappear from the toolbar. This is us...

Fix Microsoft Store 404 Not Found Error on Reinstall