Kaspersky Virus Removal Tool 2011 is not intended for real-time protection of computer. After the disinfection of the computer is complete, the application should be uninstalled from the hard drive and replaced with the real-time protection anti-virus:
What’s new in Kaspersky Virus Removal Tool 2011:
The user interface has been improved.
The application installation and uninstallation have been simplified.
A full-functional use of the application from a flash card has been implemented.
The process self-defense has been implemented.
The advanced disinfection has been improved.
Compatibility with real-time protection anti-virus applications has been improved.
Active use of the “cloud” technology of Kaspersky Security Network.
See more : http://forum.kaspersky.com