Yuri's revenge isnt working on Vista

hey people i installed yuri`s revenge on VISTA.it works fine till i get to the part when i have to select skirmish or campaign..which ever one i select the game loads and as the loading finishes the game just minimizes and thats it...the tab remains on the bottom bar but then i have to shut it down from the task manager..and after i end task it gives an error main executable no responding..can anyone help me out...thanks
please don`t mind the English.

It wasn't originally designed for Vista so try installing the game patch and change the compatibility mode.

which game patch???
can u give me a link

There is only one. Patch 1.001. Just google for it.

old file not found. however , a file of the same name was found.no update done since file contents do not match.
thats the error i get when i try to install the patch...

Is this a legal copy of the game?