crstal reports problem

i have vs 2003

 have the crsyal reports that come with it

a friend came to my comp and thowt he was so smart and put a serail he got from the net  as the cr keycode

now cr dosn't work (sayes wrong keycode)

how can i change the key (don't want to re-install VS again)

there is in the about in VS a key for cr

how can i put it

or what shold i do . i  want to use the cr that comes with vs 2003

thanks