Here is the path I use to try and get it to pair. I right clicked on rct 1 to bring up the locations under general( use this to try and get an idea where to go to )
>This pc
>C:/ drive
>User
>(enter user name)
nothing
then i try
>This PC
>User
>x86 Program files
>steam
Then Another Dead End
I had it last night pop up that error message after finding some file named Roller Coaster Tycoon Classic
"Selected folder does not contain a valid Roller Coaster Tycoon 1 Install" is my error message