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

Fix PowerShell Proxy Authentication Failed Errors

Microsoft Store Settings Reset Checklist: Step-by-Step

If the Microsoft Store won't load, apps fail to update, or you see error codes like 0x80073CF0, a...

Fix Windows Terminal Alternatives Not Working on Mac

You installed a terminal emulator designed for Windows—like Windows Terminal, Cmder, or ConEmu—on...

Fix OneDrive Version Mismatch Error 0x8004de40

When you see error 0x8004de40 in OneDrive, it usually means the app version on your computer does...

How to Fix npm Install Dependency Conflicts

You run npm install and get a wall of errors about unmet peer dependencies or versio...

Fix Firefox Secure Connection Failed Certificate Errors

You try to open a website in Firefox and see a full-page error: "Secure Connection Failed" with a...