I posted once before...This game will not launch because of error 51. What is error 51? How do I find out? I have played games of this type before with no problems. Please help. Thanks

I love hidden object games and I have bought loads of them. However, it is a constant niggle that none of the Big Fish ones seem to have achievements or cards. Some even have achievements in the game, but not on Steam. It can't be that hard to add them, can it? I have bought lots of 'older' games, I figured that perhaps they were too old and you didn't want to go back and add to them. But some of these games now are brand new and you still haven't added them. It's kind of a standard thing on this platfor...