Checklists for software errors, setup, and tool workflows.

Fix Microsoft Store Download Stuck at 0 Bytes

When you try to download an app or game from the Microsoft Store and the progress bar stays at 0 ...

Fix Microsoft Store 504 Gateway Timeout Not Loading

When you open Microsoft Store and see a 504 Gateway Timeout error, the app may not load at all. T...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

Microsoft Store Download Stuck on Mac: Fixes That Work

If you're seeing a download in the Microsoft Store stuck at 0% or a partial percentage on your Ma...

Jupyter Kernel Stuck on Connecting: Practical Fixes

You launch a notebook, but the kernel indicator stays gray or shows “connecting” for minutes. Thi...