MSIX / WindowsApps

The problem

Stream Deck Smart Profiles match applications by executable path. MSIX apps (Teams, WhatsApp, Windows Terminal, …) run from:

C:\Program Files\WindowsApps\<package>_<hash>_<arch>__<publisher>\

That path changes when Microsoft updates the package. Elgato documents that Smart Profiles do not work reliably with packaged apps.

The fix

Auto Profile Switcher asks Windows which window is in the foreground, resolves its process ID, and reads the process name — the same stable identifier you see in Task Manager.

A single persistent PowerShell process handles the Win32 calls so polling every 150 ms does not spawn a new shell each tick.

UWP edge case

Some UWP apps report as ApplicationFrameHost. Use Test detection in the property inspector to find the real process name for your target app.