Parallels Desktop 16 for MAC - windows graphics problems

JackJ7

Bit poster
I am running Parralels Desktop 16 for MAC TRIAL
Inside: I have Windows 7 pro which worked perfect on my previous version Parallels Desktop 11
what I can see that Graphics perfocmance is not so good in ver 16
Windows inside wont refresh and I have to move them arround to refresh.
I feel like I am in WINDOWS 3.11 when CPU is stuck and all my windows wont refresh !
check my picture attachement.
what is troubleshooting procedure for this kind of behaviour on GUEST OS?
 

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  • Screen Shot 2020-11-04 at 7.47.12 AM.png
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Hello, could you please collect the tech report once the issue reproduced and post the report's ID here?
Looking forward to your reply.
 
I have the same problem with TradeStation 10 on macOS Catalina, Windows 10, Parallels Version 16.1.1 (49141): Some child windows within windows will not refresh. Nothing I do will "force" a refresh, not resizing or moving. I have to restart the app or Windows altogether.
The window on the right was moved over the left window, and the left window did not refresh properly, leaving all the contents of the right window behind as garbage.
 

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  • Screen Shot 2020-11-24 at 8.15.49 PM.png
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