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

How to Fix Windows Security High CPU Usage

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

Fix PowerShell 'Service Unavailable Permission Denied' Error

When you run a PowerShell command and see Service Unavailable Permission Denied, it ...

How to Bypass 502 Bad Gateway in PowerShell Script

When a PowerShell script hits a 502 Bad Gateway error from a web API or server, the script usuall...

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

Fix Command Prompt Crash on Startup with Error 0xc0000142

If Command Prompt crashes immediately on startup and displays error 0xc0000142, the application f...

Fix PowerShell 'Cannot Access Path' Permission Denied Error