Дефолтные + DirectX32, MRT_Mod-11.10.11, TcpIP-500 и Z_DRV_INST. ExtremePack никогда не юзал.
Версии файлов в папке \WINDOWS\system32\wbem
Код:

xml\wmi2xml.dll 5.1.2600.0
cimwin32.dll 5.105.1.2600.5512
CmdEvTgProv.dll 5.105.1.2600.5512
dsprov.dll 5.105.1.2600.0
esscli.dll 5.105.1.2600.5512
evntrprv.dll 5.105.1.2600.5512
fastprox.dll 5.105.1.2600.5755
framedyn.dll 5.105.1.2600.5512
fwdprov.dll 5.105.1.2600.0
krnlprov.dll 5.105.1.2600.5512
mofcomp.exe 5.105.1.2600.5512
mofd.dll 5.105.1.2600.5512
msiprov.dll 5.105.1.2600.0
ncprov.dll 5.105.1.2600.5512
ntevt.dll 5.105.1.2600.5512
policman.dll 5.105.1.2600.5582
provthrd.dll 5.105.1.2600.5512
repdrvfs.dll 5.105.1.2600.5512
scrcons.exe 5.105.1.2600.5512
smtpcons.dll 5.105.1.2600.0
stdprov.dll 5.105.1.2600.5512
tmplprov.dll 5.105.1.2600.0
trnsprov.dll 5.105.1.2600.0
unsecapp.exe 5.105.1.2600.0
updprov.dll 5.105.1.2600.0
viewprov.dll 5.105.1.2600.5512
wbemads.dll 5.105.1.2600.0
wbemcntl.dll 5.105.1.2600.5512
wbemcomn.dll 5.105.1.2600.5512
wbemcons.dll 5.105.1.2600.5512
wbemcore.dll 5.105.1.2600.5512
wbemdisp.dll 5.105.1.2600.5512
wbemess.dll 5.105.1.2600.5512
wbemperf.dll 5.105.1.2600.5512
wbemprox.dll 5.105.1.2600.5512
wbemsvc.dll 5.105.1.2600.5512
wbemtest.exe 5.105.1.2600.5512
wbemupgd.dll 5.105.1.2600.5512
winmgmt.exe 5.105.1.2600.0
winmgmtr.dll 5.105.1.2600.0
wmiadap.exe 5.105.1.2600.5512
wmiapres.dll 5.105.1.2600.5512
wmiaprpl.dll 5.105.1.2600.5512
wmiapsrv.exe 5.105.1.2600.5512
wmic.exe 5.105.1.2600.5512
wmicookr.dll 5.105.1.2600.5512
wmidcprv.dll 5.105.1.2600.5512
wmimsg.dll 5.105.1.2600.0
wmipcima.dll 5.105.1.2600.5512
wmipdskq.dll 5.105.1.2600.5512
wmipicmp.dll 5.105.1.2600.0
wmipiprt.dll 5.105.1.2600.5512
wmipjobj.dll 5.105.1.2600.5512
wmiprov.dll 5.105.1.2600.5512
wmiprvsd.dll 5.105.1.2600.5755
wmiprvse.exe 5.105.1.2600.5755
wmipsess.dll 5.105.1.2600.5512
wmisvc.dll 5.105.1.2600.5512
wmitimep.dll 5.105.1.2600.0
wmiutils.dll 5.105.1.2600.5512
Может дело в .NET 3.5 SP1 (с текущими на данный момент обновлениями)?