Slow boot time...driver related?

I wasn't sure where to post this, but I figured this was the closest match. A few weeks ago I was optimizing my PC and it went quite well, until I toyed around with Device Manager and my boot times nearly doubled. There may be other causes, but the one that sticks out in my mind is tinkering with Device Manager. I've looked at my boot logs and I've found two drivers that weren't loading-

Did not load driver \SystemRoot\System32\Drivers\NDProxy.SYS
Did not load driver \SystemRoot\System32\DRIVERS\srv.sys

I've looked online but haven't found much information. Can anyone help me out here? I'm running Vista Service Pack 1. Let me know if there's any other information you need.

I really appreciate all your help!

 

Here's my Everest log, if necessary.