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

Fix KMS Activation Error: Port 1688 Already in Use

Fix Task Scheduler Network Connection Lost During Task

You set a scheduled task to run daily, but it fails with a network connection lost error partway ...

Fix Module Not Found Error in Command Prompt

If you're seeing 'module not found' in Command Prompt, it usually means the system can't locate t...

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

How to Rearm Windows Activation Grace Period

When Windows is not activated, you have a limited time (typically 30 days) before it starts showi...

Command Prompt Settings Not Saving: How to Fix

You change the font, layout, or colors in Command Prompt, click OK, but the next time you open it...