hard drive probs

[systemsdead]

i just tried accessing my hard drive-d: 120 gig drive,it will not have it as soon as i select it says do you want to format drive now,the drive is completely full was downloading and forgot to uninstal to make room for new stuff,is there a way i can get the drive back to see my files ,the drive shows up in windows but does not show size of it now just says local disc d: --- local disc anyone help and suggest something i can try.

 

[systemsdead]

damn its gone so formatting at the minute,when i looked in disc management said 120gig 100 per cent free,so just hit the format button,damn thing lost a lot of goodstuff of there ,time to rebuild it again,damn damn damn,what could have coursed a full drive to do this as it deleted itself by some dodgy software or the like