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

Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Chrome Profile SSL Certificate Error: Permission Denied

You try to visit a secure site in Chrome and get an error like ERR_SSL_PROTOCOL_ERROR or...

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Windows Defender Offline Scan Setup Guide

If your Windows PC is infected with malware that won't go away with a normal scan, a Windows Defe...

Fix PowerShell Failed to Initialize Properly on Windows

You open PowerShell and see the error "PowerShell failed to initialize properly". This u...