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

Fix Windows Defender 502 Bad Gateway: Tool Usage Tips

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

How to Fix Cloudflare DNS Not Resolving on Windows

You've set your Windows machine to use Cloudflare DNS (1.1.1.1 and 1.0.0.1), but websites won't l...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fix Outlook Authentication Failed When Sending Email

If you get an authentication failed error when sending email in Outlook, the problem is usually a...

Fix Firefox Not Responding: Disable Hardware Acceleration

If Firefox frequently stops responding, freezes, or shows a "Not Responding" message, hardware ac...

How to Fix Chrome Profile Not Loading – Blank Screen Issue

You open Chrome, but instead of your home page, you get a blank white screen. The browser window ...