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

Fix Chrome Profile Sync Stuck on Sign In

You open Chrome, try to sign in to sync your profile, and the spinner just keeps spinning. Or you...

Fix 'Connection Refused on Port 80' in Command Prompt

When you see "connection refused on port 80" in Command Prompt, it usually means no program is li...

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

How to Enable Windows Defender in Windows 10

If you're seeing a warning that Windows Defender is turned off, or you can't access its settings,...

Java JDK Not Recognized After Installation: Fixes and Checks

Git Clone Publickey Permission Denied After Adding SSH Key

You've added your SSH public key to your Git hosting service (GitHub, GitLab, Bitbucket, etc.), b...