help!! with mdf files unable to mount image files

[dimitris20100]

hi
i have the daemons tools lite 4.30.4.0027 version
but i have one problem and i dont know how to solve this

i wanted to mount one image file from one game
which is mdf file

and when i mount the mdf file in the daemon

it tells me unable to mount image unable to acess image file

how can i solve this problem;;
please;
i have vista
are there solutions for this problem
why it tells me this;;

[Blazkowicz]

Mount mds file.

[dimitris20100]

as i told you

i cannt load the mds file

when i load the mds file it tells me this message as
i told you before

[dimitris20100]

but the mdf file which i want to load in daemon

is 7 giga
why it tells me this messaage;


cant load image file'';;;

[Blazkowicz]

Well, you only talked about mds file.

How did you create that image and what is it content?

[dimitris20100]

i didnt create this image
it was pc game



and the game says


1.) Unpack
2.) Mount & install (DTpro)
3.) Play


can you help me please now
why this image cant download;;
please;;

[dimitris20100]

this file which i want to open with daemon

is mdf file and is 7 giga


now can you tell me please;;
why the mdf file cannot load in the deamon tools;;please;;


how can i solve this problem please;p;;;