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

How to Fix '7-Zip Cannot Open File as Archive' on Windows 10

When you try to open a file with 7-Zip on Windows 10 and get the error 'Cannot open file as archi...

Fix Windows Security High Memory Usage

You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...

Fix 'Run Command Prompt as Administrator' Permission Denied Errors

You right-click Command Prompt, select 'Run as administrator', and get an 'Access denied' or 'Per...

How to Fix Microsoft Store Not Opening on Mac

If you're trying to open the Microsoft Store on your Mac and nothing happens—or you see a blank p...

How to Fix '404 Not Found' File Path Errors in CMD

How to Fix Windows Security High CPU Usage

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...