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

Windows Defender Authentication Failed: Step-by-Step Checklist

You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

How to Run PowerShell Scripts on Mac (Using PowerShell Core)

If you're trying to run a PowerShell script on a Mac, you'll quickly find that the classic Window...

Fix Command Prompt Not Recognizing Commands

Fix Windows Defender SSL Certificate Error

If Windows Defender shows an SSL certificate error, it usually means the antivirus can't verify t...

Fix Go Modules Proxy Connection Refused on Setup

When you run go mod download or go build and see an error like co...