Kaspersky Internet Security 2012 User 2 Special Edition

The Kaspersky Internet Security 2012 I tested on my laptop 4 weeks and found to be good. Before that I had on my laptop the Avira Internet Security as a trial. The downloads Kaspersky starts almost the same, at Avira has usually lasted for a while. Also, my email client "Windows Live Mail" will start the same for Kaspersky. If Avira has lasted longer.
A disadvantage compared to Avira, however, there still, the laptop is shut down after 2 minutes at Kaspersky. Why is that, I have not yet figured out.
I use the Kaspersky Internet Security on my desktop PC since 2009, and was not disappointed.
Since it is a Zweiplatzlizens, the License begins for both computer when enabled when the first License. I thought that I longer have the License to the desktop PC 4 weeks, because the Kaspersky Internet Security 2011 was not yet expired, but that was not the case.
What I think is good at Kaspersky, is banner blocking for surfing and the analysts of weaknesses in the system and the programs.