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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

How to Fix PowerShell Crash Loop on Windows 11

If PowerShell opens and immediately closes, or crashes repeatedly when you try to use it, you're ...

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

Reduce Chrome CPU Usage by Clearing Profile Cache

If Chrome is using excessive CPU, a corrupted or bloated profile cache is a common culprit. This ...

Fix OneDrive File Locked by Office Document Sync Issue

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

Fix Chrome Tunnel Connection Failed: Network Config Guide

When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...