Activation every day!?!

#1
Hi, i got the pro version last week and did activate it.
Now i have to activate it every day, but i dont change my PC hardware.
Im realy angry cos, today i get the message for the 2 time and i must see, that i cant activate it 2 times on a day.

What is my miss? I dont change my hardware or Pc settings.
Pls help!