"The online/cleanup-image/restorehealh option is unknown"
Those are three separate options, so it sounds like you didn't type a space before each slash.
It doesn't fix Solitaire though.
A non-answer is still marked as answer but it's still a non-answer.
I wonder if loading takes so long because it's loading advertisements from Microsoft's ad server. But just now I tried starting Solitaire on a Windows 10 computer that never played Solitaire before, and it only took about 2 minutes to load.