I want to make .exe for desktop application which can only used once in whole life.Nobody can run it twice.
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I want to make .exe for desktop application which can only used once in whole life.Nobody can run it twice.
You can not do that reliably.
You may try simple stuff like writing a magic key in the registry or storing a magic file somewhere, but simple tools like Process Monitor will show your magic markers to anyone with Google skills.
You may try to delete the .exe when it is terminating, but if the user makes a copy before they execute your file, you loose again.
You may write a root-kit that prevents the system from launching your application twice, but that is not very nice and it can be detected and circumvented too.
You may create an online service where your application needs check for a one time license to execute, but that can be cracked and you will get a big mess keeping track of one time licenses.
But in the end, if someone really wants to run your application more than once they will figure out how to do it.
How much protection do you want?