SM Bus -
System
Management
Bus. This is part of the chipset, and, as such, controller and
driver issues for it are resolved by installing (or updating) your motherboard chipset
drivers.
Since you haven't given any information about the make/model number of your motherboard (other than it's an LGA 1155 with an Intel H67 chipset), I can't give any specific downloads from the manufacturer. However, here is a link to Intel for the H67 chipset (you will need to select the correct option from that given):
http://downloadcenter.intel.com/Sear...ess+Chipset%22