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

Fix Windows Store Error 0x80073cf9 – Setup Guide

When you see error 0x80073cf9 in the Windows Store, it usually appears during app installation or...

Check Which Process Is Using a Port on Windows

When a service or application fails to start because a port is already in use, you need to identi...

Fix 502 Bad Gateway When Windows Search Not Working

You open Windows Search, type a query, and instead of results see a 502 Bad Gateway error. This u...

How to Fix systemd Service Restarting Repeatedly Error

Cloudflare Tunnel Sync Issues: How to Diagnose and Fix

If your Cloudflare tunnel stops syncing or shows stale routes, you're not alone. This guide cover...

How to Reset Windows Terminal Profiles JSON to Default

If your Windows Terminal isn't opening, shows a blank screen, or has profile settings that are co...