Hi,
Sorry to hear about the issue you are facing with Acrobat. We had a public release on Jan11' 2022 and you can update to the latest version by Help->Check for updates. This issue should be fixed now.
Also, please try terminating any running AcroCEF/RdrCEF processes from task manager/activity monitor, if they are present, when Acrobat is closed.
Do let us know if you still experience any issues.
Thanks for your patience,
-amboo
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