Boot in safe mode, and delete these entries:
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll (file missing)
O4 - HKLM\..\Run: [iemk.exe] C:\WINDOWS\system32\iemk.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll (file missing)
O9 - Extra button: ATI TV - {44226DFF-747E-4edc-B30C-78752E50CD0C} - C:\Program Files\ATI Multimedia\tv\EXPLBAR.DLL (file missing)
You have a few unknown ActiveX Objects:
O16 - DPF: {A8F2B9BD-A6A0-486A-9744-18920D898429} (ScorchPlugin Class) - http://www.sibelius.com/download/sof...iveXPlugin.cab
O16 - DPF: {072D3F2E-5FB6-11D3-B461-00C04FA35A21} (CFForm Runtime) - http://www.soundclick.com/CFIDE/classes/CFJava.cab
Check to make sure you know the website - if you don't, tick those as well.