Boot into safe mode, and turn off system restore.
Go to add remove programmes in your control panel, and uninstall anything to do with the following(if there)
C:\Program Files\winupdates\winupdates.exe
C:\Program Files\LimeWire\LimeWire.exe
Then close your control panel.
Open your task manager, if you can, and click on the processes tab. End process for(if there)
winupdates.exe
d?xplore.exe
LimeWire.exe
Close task manager.
Run HJT with no other programmes open, and let HJT fix the following(if there)
R3 - Default URLSearchHook is missing
O2 - BHO: Setup.Setup1 - {2E65A557-173C-4DE9-860B-28FC5CACA542} - C:\DOCUME~1\ALLUSE~1\APPLIC~1\Setup\Setup.dll
O2 - BHO: (no name) - {49D93528-9165-21BB-D753-61550B807B3B} - C:\WINDOWS\System32\qwiid.dll (file missing)
O2 - BHO: (no name) - {A279B365-0684-282A-8493-72A2D9F56691} - C:\WINDOWS\System32\arsp.dll (file missing)
O4 - HKLM\..\Run: [winupdates] C:\Program Files\winupdates\winupdates.exe /auto
O4 - HKCU\..\Run: [Sos] C:\WINDOWS\System32\d?xplore.exe
O15 - Trusted Zone: *.05p.com (HKLM)
O15 - Trusted Zone: *.scoobidoo.com (HKLM)
O15 - Trusted IP range: 206.161.124.130 (HKLM)
O15 - ProtocolDefaults: 'http' protocol is in Trusted Zone, should be Internet Zone (HKLM)
Fix all your 016 DPF entries.
Also, fix this if it doesn`t belong to your ISP.
O17 - HKLM\System\CCS\Services\Tcpip\..\{E35E60ED-9856-4D8A-98B8-7FB9CD97230C}: NameServer = 205.188.146.145
Close HJT.
Delete the following bold files(if there)
C:\Program Files\
winupdates\winupdates.exe
C:\Program Files\
LimeWire\LimeWire.exe
C:\WINDOWS\System32\
d?xplore.exe
Reboot into normal mode, and turn system restore back on.
Regards Howard
