after the reboot i run again the tdds and i did not pick the start scan but the report
an txt open with this infos :

2011/03/17 03:36:31.0000 0748 TDSS rootkit removing tool 2.4.21.0 Mar 10 2011 12:26:28
2011/03/17 03:36:31.0468 0748 ================================================================================
2011/03/17 03:36:31.0468 0748 SystemInfo:
2011/03/17 03:36:31.0468 0748
2011/03/17 03:36:31.0468 0748 OS Version: 5.1.2600 ServicePack: 3.0
2011/03/17 03:36:31.0468 0748 Product type: Workstation
2011/03/17 03:36:31.0468 0748 ComputerName: USER-BBC07F4DC3
2011/03/17 03:36:31.0468 0748 UserName: alekos
2011/03/17 03:36:31.0468 0748 Windows directory: C:\WINDOWS
2011/03/17 03:36:31.0468 0748 System windows directory: C:\WINDOWS
2011/03/17 03:36:31.0468 0748 Processor architecture: Intel x86
2011/03/17 03:36:31.0468 0748 Number of processors: 2
2011/03/17 03:36:31.0468 0748 Page size: 0x1000
2011/03/17 03:36:31.0468 0748 Boot type: Normal boot
2011/03/17 03:36:31.0468 0748 ================================================================================
2011/03/17 03:36:35.0906 0748 Initialize success