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

Fix Windows Search Invalid Configuration Registry Error

If Windows Search stops working and you see an error about invalid configuration in the registry,...

Fix Windows Update Error 0x80070002

When Windows Update fails with error 0x80070002, it usually means the update installer can't find...

How to Fix Windows Security Not Opening

You click the Windows Security icon in the taskbar or open it from Settings, but nothing happens—...

Fix PowerShell Auto Start Not Working Due to Execution Policy

You set a PowerShell script to run automatically at startup, but it fails silently. The script wo...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix Windows Security High Memory Usage: Practical Steps

If you notice your PC slowing down and Task Manager shows Windows Security (or Antimalware Servic...