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

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix 504 Gateway Timeout in Windows Security After Update

If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...

Windows Defender 404 Not Found: How to Fix Missing Interface

You open Windows Security, click on Virus & threat protection, and get a blank page or a 404 erro...

Fix OneDrive Sync DNS Errors After Network Change

After changing networks—switching from home to office Wi-Fi, using a VPN, or reconfiguring your r...

Fix Laravel Artisan Command Not Found on Ubuntu

Windows Terminal Connection Settings Checklist

If you're using Windows Terminal and your connections fail to start, hang on launch, or show unex...