It can't be from Microsoft, especially if your using Firefox. Sounds like a Trojan to me. Please download HijackThis.
Install and start Hijackthis. Click the Do a system scan and save to logfile option. Copy contents of the log and post it for analysis.
here is the log that you asked to post up... thank you
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 10:53:03 AM, on 9/3/2009
Platform: Windows Vista (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16890)
Boot mode: Normal
Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Windows\System32\rundll32.exe
C:\Program Files\Sunbelt Software\VIPRE\SBAMTray.exe
C:\Program Files\Maxtor\OneTouch Status\MaxMenuMgr.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Windows\ehome\ehtray.exe
C:\Windows\system32\wuauclt.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Windows Live\Mail\wlmail.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page =
Bing
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
Welcome to Facebook | Facebook
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
MSN.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =
Bing
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page =
Bing
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
MSN.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O4 - HKLM\..\Run: [Windows Defender] "%ProgramFiles%\Windows Defender\MSASCui.exe" -hide
O4 - HKLM\..\Run: [NvCplDaemon] "RUNDLL32.EXE" C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] "RUNDLL32.EXE" C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [SBAMTray] C:\Program Files\Sunbelt Software\VIPRE\SBAMTray.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [mxomssmenu] "C:\Program Files\Maxtor\OneTouch Status\maxmenumgr.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE')
O4 - Startup: OpenOffice.org 3.1.lnk = C:\Program Files\OpenOffice.org 3\program\quickstart.exe
O13 - Gopher Prefix:
O16 - DPF: {0CCA191D-13A6-4E29-B746-314DEE697D83} (Facebook Photo Uploader 5 Control) -
http://upload.facebook.com/controls/2008.10.10_v5.5.8/FacebookPhotoUploader5.cab
O16 - DPF: {8100D56A-5661-482C-BEE8-AFECE305D968} (Facebook Photo Uploader 5 Control) -
http://upload.facebook.com/controls/2009.07.28_v5.5.8.1/FacebookPhotoUploader55.cab
O20 - AppInit_DLLs:
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Maxtor Service (Maxtor Sync Service) - Seagate Technology LLC - C:\Program Files\Maxtor\Sync\SyncServices.exe
O23 - Service: My Web Search Service (MyWebSearchService) - Unknown owner - C:\PROGRA~1\MYWEBS~1\bar\8.bin\mwssvc.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: VIPRE Antivirus + Antispyware (SBAMSvc) - Sunbelt Software - C:\Program Files\Sunbelt Software\VIPRE\SBAMSvc.exe
O23 - Service: Windows MSI - Unknown owner - \\?\globalrootC:\Windows\system32\msihost.exe (file missing)
--
End of file - 4233 bytes