I actually did not do an upgrade but did an complete removal of SAV and then a fresh install of SEP 11 MR4 MP1.
Contents of the SPBBCDrv.inf file:
; SPBBCDrv INF File
;
;
;
; Copyright (c) 2004, Symantec Corporation
;
[Version]
Signature = "$Windows NT$"
Class = "Antivirus"
ClassGUID = {B1D1A169-C54F-4379-81DB-BEE7D88D7454}
Provider = %Symc%
DriverVer= 09/04/2008,3.3.7.14
CatalogFile=SPBBCDrv.cat
[SourceDiskNames]
1 = %Disk1%
[SourceDiskFiles]
SPBBCDrv.sys = 1
[DestinationDirs]
DefaultDestDir = 01, temp.^^^
[SymcInstall]
[DefaultInstall]
CopyFiles = @SPBBCDrv.sys
[DefaultUninstall]
[Strings]
Symc = "Symantec Corporation"
Disk1 = "SPBBCDrv Source Media"
[SourceDisksFiles]
SPBBCDrv.sys=1
[SourceDisksNames]
1="default",,1