Ну, а это не пробовали?
regsvr32 "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\mcou.dll"
regsvr32 "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\mcouas.dll"
regsvr32 "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\mcou.dll"
regsvr32 "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 7.0\mcouas.dll"