Close all (browser) windows & rescan with hijackthis. When the scan is finished place a check in the box to the left of the following entries & click 'fix checked' :
R3 - URLSearchHook: IncrediFindBHO Class - {5D60FF48-95BE-4956-B4C6-6BB168A70310} - C:\PROGRA~1\INCRED~1\BHO\INCFIN~1.DLL (file missing)
O2 - BHO: (no name) - {00000EF1-0786-4633-87C6-1AA7A44296DA} - (no file)
O2 - BHO: (no name) - {000020DD-C72E-4113-AF77-DD56626C6C42} - (no file)
O2 - BHO: NavErrRedir Class - {5D60FF48-95BE-4956-B4C6-6BB168A70310} - C:\PROGRA~1\INCRED~1\BHO\INCFIN~1.DLL (file missing)
O2 - BHO: MSN smart tags - {9DD4258A-7138-49C4-8D34-587879A5C7A4} - C:\PROGRA~1\MSN\smarttag\MSNBHO.dll
O2 - BHO: (no name) - {E1019D5A-E38F-4E06-B600-06CAC2857B7F} - C:\WINNT\tlpox.dll
O4 - HKLM\..\Run: [updater] C:\Program Files\Common files\updater\wupdater.exe
O4 - HKLM\..\Run: [SAHBundle] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\bundle.exe
O4 - HKLM\..\Run: [alchem] C:\WINNT\alchem.exe
O4 - HKLM\..\Run: [dstpllx] C:\WINNT\swwabj.exe
O16 - DPF: {00000EF1-0786-4633-87C6-1AA7A44296DA} - http://www.addictivetechnologies.ne.../sHtdntStnk.cab
O16 - DPF: {65B818E1-F4D8-4F96-A1DF-35F3D1C86194} - http://bins.roings.com/crack.cab
O16 - DPF: {E0CE16CB-741C-4B24-8D04-A817856E07F4} (IObjSafety.DemoCtl) - http://cabs.roings.com/cabs/roing.cab
Reboot into safe mode following the instructions here & navigate to & delete the following if found:
C:\PROGRA~1\INCRED~1< folder (probably says INCREDIFIND)
C:\PROGRA~1\MSN\smarttag< folder
C:\Program Files\Common files\updater< folder
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp< contents of folder
C:\WINNT\alchem.exe< file
C:\WINNT\swwabj.exe< file
In order to view these files you may have to select 'show hidden files/folders.' Instructions on how to here.
Reboot normally after doing the above then post a fresh log plz.