Need help removing Trojan.Zeroaccess!inf infection

I've run NIS2012 full scan.  Shows infection in two files.

 

Downloaded/ran FixZeroAccess and NPE both to no avail - infection confinues

 

Running Vista Business ServicePack-2 32-bit

 

Needing help like others I've seen post similar issue.

 

I have a flash drive.

 

Thanks