How to detect when client delete license file desktop app ?

ahmedsa

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Joined
Jan 22, 2014
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Programming Experience
1-3
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
 

Skydiver

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Skydiver

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Moving to more appropriate forum...
 

Skydiver

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Chesapeake, VA
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