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

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Fix BitLocker High CPU Usage After Windows Update

If your system is running sluggishly and Task Manager shows BitLocker (or its related processes l...

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Fix PowerShell Access Denied for Set-ExecutionPolicy

When you try to change the execution policy in PowerShell with Set-ExecutionPolicy a...

Microsoft Teams Clear Cache Troubleshooting Guide

If Microsoft Teams is running slowly, failing to load messages, or showing outdated content, a co...

How to Fix Windows Defender DNS Error

You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...