Library not registered?

[Richard039]

When I try to install a game on Windows 7 I get
Library not registered?
How can I fix this?

 

[Shintaro]

What game and what library?

Can you be a bit more specific?

 

[Richard039]

It doesn't tell me which library. Quake 4 and Doom 3 on a E6550 PC running Windows 7