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...

Fix Windows Defender Authentication Failed Group Policy Error

You may see an error saying "Windows Defender authentication failed" after applying a Group Polic...

Reduce Command Prompt Memory Usage: Practical Steps

If you notice the Command Prompt (cmd.exe) consuming more memory than expected—sometimes hundreds...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

How to Enable Security Auditing for Windows Security Log

When you need to track login attempts, file access, or policy changes on a Windows system, the Se...

Fix Windows Terminal Port Already Allocated Permission Denied

If you see "port already allocated" or "permission denied" when launching a profile in Windows Te...