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

Fix PowerShell 502 Bad Gateway Due to Proxy Configuration

If you're running PowerShell commands that make web requests—like Invoke-WebRequest ...

Fix Outlook Network Error 0x800CCC0E: Step-by-Step Guide

If you see Outlook error 0x800CCC0E when sending or receiving email, the program cannot reach you...

Fix Remote Desktop Black Screen After Connection

You connect to a remote PC via Remote Desktop (RDP) and see only a black screen. The cursor moves...

Fix GitHub Actions Cache Action Permission Denied Error

How to Fix Microsoft Teams Invalid Configuration Error

When you see an “invalid configuration” error in Microsoft Teams, the app usually fails to start ...

Chrome Profile Settings Missing After Update: Fixes

After a Chrome update, you might open the browser only to find your bookmarks, extensions, themes...