google searches keep redirecting me to spam sites

i already tried scanning my whole computer for malwares,viruses,spywares with my antivirus and other programs but when i go on internet it still redirects me to spam sites, but its better now, much better than before

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:02:14 PM, on 12/01/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18865)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\hp\support\hpsysdrv.exe
C:\Program Files\Hewlett-Packard\On-Screen OSD Indicator\OSD.exe
C:\Windows\RtHDVCpl.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\system32\schtasks.exe
C:\Windows\System32\igfxpers.exe
C:\Program Files\Yahoo!\Search Protection\SearchProtection.exe
C:\Program Files\HP\HP Software Update\hpwuschd2.exe
C:\Windows\system32\igfxsrvc.exe
C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\AVG\AVG9\avgtray.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Pando Networks\Media Booster\PMB.exe
C:\Program Files\Common Files\LightScribe\LightScribeControlPanel.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\hp\kbd\kbd.exe
C:\Windows\explorer.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.yahoo.com/?fr=fp-yie8
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.ca/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=EN_CA&c=74&bd=Pavilion&pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =



AbiWord 2.4.6 (remove only)
ActiveCheck component for HP Active Support Library
Adobe AIR
Adobe AIR
Adobe Flash Player 10 ActiveX
Adobe Flash Player 10 Plugin
Adobe Reader 8.1.0
Adobe Shockwave Player 11.5
Ask.com Search Assistant 1.0.1
AVG 9.0
BioShock
BitTorrent
CCleaner
Cheat Engine 5.5
Combat Arms
Compatibility Pack for the 2007 Office system
Counter-Strike: Source
Counter-Strike: Source
Day of Defeat: Source
Dcads Games Collection
DivX Codec
DivX Converter
DivX Player
DivX Plus DirectShow Filters
DivX Plus Web Player
Enhanced Multimedia Keyboard Solution
Garena
Google Toolbar for Internet Explorer
Google Toolbar for Internet Explorer
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Hardware Diagnostic Tools
Highlight Viewer (Windows Live Toolbar)

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