regarding trial version of photoshop CS3

I had done the trick of deleting ' application.sif ' but after doing it error occurs that The product licencse is expired what should I do.

sanket wrote:

I had done the trick of deleting ' application.sif ' but after doing it error occurs that The product licencse is expired what should I do.

http://kb2.adobe.com/cps/401/kb401528.html

you have mail as well