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

Fix 502 Bad Gateway in Windows Terminal Proxy Config

If you see a 502 Bad Gateway error in Windows Terminal, it usually means your proxy ...

Setup Microsoft Teams Backup with Retention Policy

If you manage Microsoft Teams and need to ensure chat messages, files, and channel conversations ...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix Windows Defender Error 0x80070422: Cannot Connect

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

Fix OneDrive 504 Gateway Timeout Error Code

If you see a 504 Gateway Timeout error when using OneDrive, it usually means the server is not re...

Fix Windows Defender Connection Refused via Registry

When Windows Defender shows a "connection refused" error, it usually means the Windows Security C...