Click here to Skip to main content
15,887,434 members
Please Sign up or sign in to vote.
2.33/5 (3 votes)
See more:
i have developed a software using vb.net windows application., when user try to install more than two systems it should not install and throw a error.,.,
Posted

Take a look at those articles here in CP, they will help you to figure out how to make it:

How to Register a Program[^]

A simple software key useful to protect software components[^]

UltraLight Software Registration Control[^]

Hope this helps...
 
Share this answer
 
Comments
Umapathi K 17-Aug-12 4:48am    
i cant understand ., just tell me how to set serial key before installation the software.,
try to use some key value with the software..and then restrict the key use how many times u want..
try if it's possible..
 
Share this answer
 
Comments
Umapathi K 17-Aug-12 4:49am    
i know very well what to do i am asking you how could make it?

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)



CodeProject, 20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8 +1 (416) 849-8900