getting a strange message

[thekingofcats]

when i try to mount the CD image for Civilization IV i get a message saying "Unable to mount image. File not accessible" ive never seen this happen before...anyone know whats wrong because id rather not have to bring my detatchable CD drive everywhere i go to play the game

[AnalCobra]

This error is displayed if your mds and mdf file of the Image havn't got the same name. Make sure that the names are the same like test.mds and test.mdf