A program to time lock windows OS generates a message and a code
user needs to give to admin code to generate activation code for more 7 to 15 or 30 days .
the program protector needs to lock actions to the user so he cannot operate more without the activation key given from the admin.
admin needs to have a program that can register and activate for more 7 or 15 or 30 days the users OS.
lock users pc ( splash screen with a code and a message *contact admin your trial days almost finished please renew )
sound like a armadillo or a vm protector but its more simple .
user must not ( time back or use task mngnt to terminate the lock .)