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Please see this thread on what resolved this issue for me and a few others... https://forum.parallels.com/threads/pls-help.356476/#post-946682
@GabrielL4 You are a gentleman and a scholar! Thank you, this worked for me as well. Would really appreciate some of the parallels staff...
I am having the same issue. For those affected, are you on Parallels 20 or 26? I am on 20.