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

Set Windows Update Service to Run as Local System Account

If Windows Update fails with errors like 0x80070422 or the service won't start, the service might...

pnpm frozen lockfile checklist for developers

When you run pnpm install --frozen-lockfile and it fails, it's usually because your ...

Fix BitLocker 'Cannot Access Drive Permission Denied' Error

Understanding the Error

You see 'Cannot access drive. Permission denied' when trying to o...

Fix Windows Terminal 502 Bad Gateway on Azure Connection

You're working in Windows Terminal, and when you try to connect to an Azure resource—like a VM, w...

Fix Windows Update Service Stuck on Starting Repair

You restart your PC after a Windows Update failure, and the screen says 'Starting repair' — but i...

How to Fix Windows Defender Connection Refused Error

If you see a 'connection refused' message when opening Windows Defender or updating virus definit...