Checklists for software errors, setup, and tool workflows.

Fix 'Port Already Allocated' Error in PowerShell on Windows 10

When you try to start a service or run a script in PowerShell and see an error like "port already...

How to Install an SSL Certificate in Chrome Manually

You may need to manually install an SSL certificate in Chrome when testing a local development si...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...

Fix Go Modules Proxy 403 Forbidden Error

When using Go modules with a proxy, a 403 Forbidden error typically means the proxy rejected your...

Microsoft Teams Connection Refused: Network Configuration Fixes

When Microsoft Teams shows a 'connection refused' error, it usually means a network device or set...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...