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

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

Windows Terminal Multiple Profiles JSON Configuration Guide

If you use Windows Terminal and need to manage different command-line environments—like PowerShel...

Fix Windows Defender Can't Connect to Microsoft Server

When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...

Fix 'npm command not found' on Linux

When you type npm in the terminal and get command not found, it usually...

Fix Task Scheduler Sync Issues with Microsoft Account

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...