icp*.tmp file in temp directory

Hello,

I have a problem on my computer. I have found some strange file in my temp directory.
They are all called icp*.tmp. where * is a number. when i delete a file another one is created with an increasing number.
I have avast installed but he doesn't detect anything. I have installed spyware doctor, but he does not detect anything.
I noticed 2 problems on my computer. My computer is taking a lot of time to shut down and I am not anymore able to desactivate my wireless network card. When I tryed to desactivate the wireless network I have a windows message saying I have a protocol that doesn't accept plug and play or another user is using the wireless connexion.

I don't have any idea how to solve this.

Thanks for your help
Cedric

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