Can't download certain games since I rooted my X

[Ntnme2lose]

About a month ago I rooted my DROID x and installed the Liberty Rom and a blue/black theme. I downloaded words with friends and it had been working perfectly until there was an update. Now when I go into the market place, there is no download or update button there so I can't so anything with it.

This also happened with two other games as well. So im wondering if this has something to do with the fact that my phone is rooted. Has anyone else run into this problem too?

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