Photoshop wont open...?

hiya… i have an acer 5614 (core duo 2Gig) and kaspersky internet security 6. win XP Home.

i installed adobe photoshop 7.0 and it seems to install fine but when i tr to open it nothing happens…?

i then tried opening imageready and that opened…

but photoshop still wont open…?

help please…