Hi, I believe the issue "people can not unmute themselves" is fixed, and
you mentioned a new issue. Please know the setting "Mute all
participants when they join a meeting" needs to be used with the
advanced option "Mute participants upon entry" when...
I see your language for PowerPoint software is Dutch, which is not
supported by Zoom clients yet. Please change the PowerPoint's language
to English or any language supported and restart Zoom. The issue should
be gone.Some others have already found t...