We have seen a number of “rhino wont launch” issues recently and it seems to coincide with a Windows 10 update that went pear shaped on you.
Often the fix is running Windows update again , making sure all your updates installed correctly. (check the update history, look for failed installs)
If that fails, In some cases you need to repair your Visual Studio components,
you can do that here:
In most cases the x64 version is what you want-