Can someone help how to uninstall photoshop cs2... their is a erron while opening photoshop cs2. it says that using invalid user account and when i click ok it closes the whole photoshop. i just want to uninstall and install again so that i can change the serial number. i think im having problem in the serial number. I also deleted the whole folder of Adobe but when i install the photoshop again it pops me the window that says if i want to repair and remove. when i click repair, serial key is not need to be typed again. help thanks for your help.