first try zilla connection accelerator then try updating/reinstall
Now im sort of new at this so i reccomend making a system restore point before you repair/delete these registry files.
O4 - HKCU\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NVMCTRAY.DLL,NvTaskbarInit
O4 - HKCU\..\Run: [FAST Defrag] C:\PROGRA~1\FASTDE~1\FAST2.EXE -tray
O4 - HKLM\..\Run: [Hacker Eliminator] C:\Program Files\Hacker Eliminator\HackerEliminator.exe
O4 - HKLM\..\Run: [Zone Labs Client] C:\PROGRA~1\ZONELA~1\ZONEAL~1\zlclient.exe
O4 - HKLM\..\Run: [YBrowser] C:\Program Files\Yahoo!\browser\ybrwicon.exe
O2 - BHO: (no name) - {98DE779A-2364-4293-AB71-2B97C61C4640} - C:\PROGRA~1\FREEDO~1\fdahlp1.dll
O3 - Toolbar: FDA Bar - {9595C62C-76C6-49A6-9BDA-3253DD7A34FF} - C:\Program Files\Free Downloads Accelerator\fdabar1.dll
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O3 - Toolbar: MSN Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Toolbar\01.01.1629.0\en-us\msntb.dll
O8 - Extra context menu item: Download with Free Downloads Accelerator - C:\Program Files\Free Downloads Accelerator\fdaie.htm
O8 - Extra context menu item: Download using Download &Express - file://C:\WINDOWS\System32\MetaProducts\Add_Url.htm
O16 - DPF: {5D9E4B6D-CD17-4D85-99D4-6A52B394EC3B} (WSDownloader Control) - http://www.webshots.com/samplers/WSDownloader.ocx
O16 - DPF: {1C78AB3F-A857-482E-80C0-3A1E5238A565} - http://toolbar.isearch.com/general/initial.cab