powerpoint as virtual background is not available?

[corinne1]

It seems that my PC has everything as required to ba able to use powerpoint as virtual background, but the option is not active (light grey) and it is impossible to click on it... 
I do not have idea how to manage it... I saw differtent youtube tutorial, but I cannot find out why the option is grey... 

thanks for you help!

the zoom version on my PC is 5.10.4 
my PC has Core i7 and windows 11

[jdeebee]

 I'm having the same problem and can't seem to find an answer at any resource.  Have you had any luck in solving this?  If yes, please share.  Thanks