Hello, Welcome to Microsoft Community.
Thanks for your feedback, According to your description, when you use RDPclient, there will be an inoperable zone around.
We can reproduce this issue aftertesting. I have submitted this issue for you through internal channels. Inaddition, you can also submit your questions through the FeedbackHub。
The issues on RDP Client is out of reach of the response supportcommunity. It is more suitable for publishing on Microsoft Learn(English only). Here is a link to the forum, you can click on "Ask aquestion", there are experts who can provide more professional solutionsin that place.
If my understanding is wrong, please point it out, so that I can assist you better.
Lugoo Bei|Microsoft Community Support Specialist
Thanks for your contribution to the community!