If you are infected with the tprdpw32.exe or SmartService rootkit, you will not be able to launch many security and anti-virus programs. The Tprdpw32 rootkit will be installed along with a Windows driver that prevents you from terminating various unwanted programs and does not allow you to start anti-virus programs to clean your computer. Essentially, this rootkit acts as a bodyguard for installed adware and Trojan infections.
This article was published first at Remove the Tprdpw32.exe and SmartService Rootkit
Source: Bleeping Virus