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

WireGuard Handshake Not Completing: Firewall Fixes

You set up WireGuard, but the handshake never completes. Both peers show no handshake time, and y...

Fix Windows Activation slui.exe Not Opening

When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...

Fix 'Not Recognized as Internal or External Command' Error

You type a command in Command Prompt and see "'command' is not recognized as an internal or exter...

Fix Windows Terminal DNS Error 0x80072746

If you see error 0x80072746 when opening Windows Terminal, it usually means the terminal cannot r...

Fix Windows Activation Error 0x8007007b SSL Certificate Issue

If you see error 0x8007007b when trying to activate Windows, it often points to an SSL certificat...

Fix OneDrive 'Command Not Found' Error on Linux and macOS