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

Fix Windows Search High CPU Usage by Rebuilding Index

If your PC fan is spinning up and Task Manager shows SearchIndexer.exe using high CPU, the search...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Chrome Profile Authentication Failed & Sync Not Working

If you see “Authentication failed” in Chrome and sync has stopped working, it usually means a pro...

Fix BitLocker Permission Denied Error 0x80070005

You try to enable BitLocker or change its settings, and get a "Permission denied" error with code...

Repair Windows Security Module Registry: Step-by-Step Guide

If Windows Security (formerly Windows Defender) won't open, shows errors like "This app has been ...

How to Fix PowerShell Remoting Network Error

When you try to run Enter-PSSession or Invoke-Command against a remote ...