cant mount cue file cant find cd image

[ragefire]

When mounting .mds files, get error msg: unable to mount image. file not accessable.
this shows up when mounting cue file i have tried to change text but dont know how tried to convert didnt work would like some help

[Blazkowicz]

For mds images you also need to have mdf file.
Please post content of cue file and the file name of the images.