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

How to Fix OpenVPN TLS Handshake Failed Error

If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...

How to Fix Chrome Update Error 12 (Network Issue)

When Chrome fails to update and shows error 12, it usually means the browser could not reach Goog...

Fix Windows Defender 502 Bad Gateway Error: Configuration Guide

If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...

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 Add PowerShell to System PATH Variable in Windows

If you've installed PowerShell but can't launch it from a Command Prompt or another terminal with...

Terminal Command Prompt Setup Guide for Mac

If you're new to the Mac terminal or just want a more informative command prompt, this guide cove...