Update history indicates some updates failed, but not sure it's a prob

Hello, I recently installed Windows 7 on my wife's computer and shortly afterward, let Windows install the updates it wanted through Windows Update. Upon reviewing the Update History, I see that many of the updates originally failed, but have since been updated successfully. I've gone through these updates one by one and found 3 (2706045, 2729094, and 2758857) which do not appear to have been...