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Hi, I had some troubles with V. 20.04 also. Check out this link to another forum and read through the posts. One gentleman from Canada seems to have a fix for your problem
BTW, I have read where V. 20.03 is not something you want to run. It was like an experimental version or a beta version, something like that. I believe I read that if you use 20.03, then only 20.03 can access it, nothing higher will open it. Hope this will help you a little bit. Have a great week.