deamon tools dont mounts

[zzunken2]

deamon tools stopped to mount cue files for me

the strange is when i klick on a installed gameshortcut it mounts the game

but when i try to mount a new cue or image notting happens

i have uninstalled / installed it several times now and it wont work i have tried the unmount all drives to.

the strange thing when install uninstall it does not reboot i think it has done that the times i have installed the program before

if u think u know whats wrong plz help