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

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

Chrome Remote Desktop Not Working on Mac M1: Fixes

If Chrome Remote Desktop stops working on your Mac with an M1 chip, you're not alone. The app oft...

How to Fix Chrome SSL Certificate Error After Update

How to Bypass Go Modules Proxy for Local Packages

When working with Go modules, the default proxy (proxy.golang.org) speeds up builds but can inter...

How to Set Up Remote Desktop on Windows 11

You need to access your Windows 11 PC from another computer, but Remote Desktop isn't working out...

UFW Port Issues: A Practical Troubleshooting Checklist

When a service won't accept connections, UFW is often the first suspect. This checklist walks thr...