Recently Intel announced that all Centrino branded computers using an Intel Wireless Ethernet adapter need to update the PROSet software and driver to keep your system from being remotely hijacked. This is a critical update and it should be a security imperitive to get this patch on your system.
Download it below.
These drivers need to be downloaded and installed manually. Microsoft Updates doesnt include an update of this sort either. You can find the patch here . If your not sure you need this patch you can find out at Intel site here.