How to detect when client delete license file desktop app ?

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I working on desktop application windows desktop made by csharp

I make license file have period of license as 30 day and start date and computer mac address

my issue is clients delete license file so desktop app start as first day after delete this file

so how to prevent users from delete license file

or with another way how to make my app detect that file created before and deleted so can't open my app

What I have tried:

How to detect when client delete license file desktop app ?

Posted 20-Oct-21 15:00pm

ahmed_sa

Updated 21-Oct-21 2:31am

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CHill60 · Answer 1 · 2021-10-21T02:31:00

Solution 1

Check for the presence of the file in the start up of your application. If the licence file is not present then abort your program.

There are some articles on Code Project that might help you .. Search[^]

Posted 21-Oct-21 2:31am

CHill60