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

Fix Redis Connection Refused with Password Authentication Errors

When Redis returns Connection refused and you have password authentication enabled, ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Cloudflare 522 Error: How to Fix Firewall-Caused Connection Timeouts

If you see a Cloudflare 522 error, it means Cloudflare connected to your origin server but the se...

Fix Windows Security Virus Scan Stuck at 99%

You run a full virus scan in Windows Security, and it gets stuck at 99% for minutes or hours. Thi...

How to Fix Windows Defender Version Mismatch on Windows 10

You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...

Fix PowerShell Network Error: The Network Path Was Not Found

If you're running a PowerShell command that accesses a network share or remote computer and see <...