Endnote X1 file attachements error - "This URL(\\) could not be launched"

Hi, i have the same problem like you

how do you solve it ?

i cannot open all my pdf attachment eventhough the file name is short

im using endnote x1 also, word 2007

i can launch txt, jpg, word, but not pdf, can anybody help me why ?

im using adobe acrobat for viewing pdf file

helppp plzzz

thank you in advance