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

Fix Windows Update Error 0x80070005 with Registry Tweaks

You see Windows Update error 0x80070005 when checking for updates. This usually means a permissio...

Windows Security App Missing After Update: How to Fix

After a Windows update, you might find the Windows Security app missing from the Start menu or sy...

Fix Ubuntu apt update GPG missing key error

When running sudo apt update, you might see an error like:

Fix Windows Security Certificate Error in Outlook 365

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

Fix SSH 504 Gateway Timeout in Windows Terminal