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Please see the official X‑Plane Support page for help.
I'm not with Laminar Research, just a fellow simmer in the UK, but depending on which PC operating system you are using, please firstly go into Windows File Explorer (or MAC File Manager) a take a look in the C:\X-Plane 11\Resources folder to see if the rand.bin file is physically present, as per the photo below.
Greengolfer15 I have the same problem with phenom100driver and i checked as you said and i didn't find it there.
What should i do?
I have been dealing with this also. I got it to work by just moving the "X-Plane 11" folder from the "Destop" folder to the "'myname'" folder. That worked for me.
MacBook Pro 15-inch, Mid 2014
macOS Catalina 10.15.1
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