What's Wrong with my Bioshock demo?

[Conde]

I've downloaded Bioshock demo (Two times) and neither of them it is working for me, everytime i try to run it from Steam it tells to me that it's not avaliable.... anyone know what would be the problem? o_o

[QuotidianTemerity]

Delete clientregistry.blob in your Steam folder.

[Conde]

Delete clientregistry.blob in your Steam folder.
I just did but didn't work, any ideas?

[The One]

Nope, your just fucked ^_^

[Puscifer]

UL

[Conde]

UL
What does that mean?

Nope, your just fucked ^_^
Hmmm, Fucked by what?, Oh my god