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

Fix Chrome Authentication Failed After Password Change

If you changed your Google Account password and now Chrome says "authentication failed" when tryi...

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" ...

Fix Windows Update Service Stuck on Starting

You open Services.msc, see the Windows Update service status as 'Starting', and it never changes....

Fix Windows Search High CPU Usage via Registry

If your system feels sluggish and Task Manager shows Windows Search (SearchIndexer.exe) eating CP...

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Step-by-Step Command Prompt Setup Guide

Command Prompt is a built-in Windows tool for executing commands. This guide covers how to open i...