Checklists for software errors, setup, and tool workflows.

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

7-Zip 'Cannot Open as Archive' Error Fix

You try to open a file with 7-Zip and get the error: “Cannot open the file as archive”. ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Windows Defender Scan Stuck at Certain Percentage: Fixes That Work

If you run a Windows Defender scan and it stalls at the same percentage every time—often 85%, 93%...

Fix VSCode Remote SSH Permission Denied for Known Hosts

You're trying to connect to a remote server via VSCode's Remote - SSH extension, but you get a 'p...

Fix Windows Search Update Stuck on Installing

You see a Windows Search update stuck on 'Installing' in Windows Update. The progress bar doesn't...