the sound you hear from clicking that button to get rid of phantom penny when shes in office 2 actually originates from the space theme package that exist in Microsoft plus! for windows xp, it is the critical sound of this theme:

(and yes thats windows 11 with windows 7 customize menu, did you know you can actually bring back the classic stuff of windows xp and 7 into windows 11? use Winaero Tweaker! it actually does make windows 11 actually pretty good)