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

How to Repair Windows Defender Configuration Issues

Windows Defender (now Microsoft Defender Antivirus) can sometimes show configuration errors—setti...

Fix Windows Defender Authentication Failed After Update

After a recent Windows update, you might see an error like "Authentication failed" when trying to...

How to Fix Outlook 502 Bad Gateway Error in Outlook 2019

If you see a '502 Bad Gateway' error in Outlook 2019, it usually means your email server or a pro...

How to Fix SSL Protocol Error in Chrome: Connection Refused

When you see “SSL protocol error” and “connection refused” in Chrome, it means the browser can’t ...

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 Remote Desktop High Memory Usage on Windows 10

If you notice that Remote Desktop (mstsc.exe) or the Remote Desktop Services (TermService) proces...