Implementing Expiration Dates in an application?

Question

I\'d like to put an expiration date in some software I made. Obviously

psuedocode:

if time() > xxx: exit()

All someone has to do he

Answer 1

You can try to record the timestamps in the registry. You can encrypt the timestamps when you put them there. The question is is it worth it?

Messing with your computer clock, especially rolling it back creates all sorts of headaches. People usually do not do it, At least all the time - limited trial versions of software from Microsoft, Adobe, etc, do not try to build protection against rolling back the clock