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

Reset Command Prompt to Default Settings: Step-by-Step Guide

When Command Prompt starts with the wrong window size, font, colors, or custom paths, it's often ...

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix Windows Defender DNS Error on Windows 10

If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...

Repair Windows Security Installation via Command Prompt

Windows Security (formerly Windows Defender) can sometimes fail to open, show blank screens, or r...

Fix Office 365 Token Expired Error in CMD