Em Wikipédia :
In January 2006, security researchers known by the pseudonyms "skape" and "Skywing" published a report that describes methods, some theoretical, through which Kernel Patch Protection might be bypassed. Skywing went on to publish a second report in January 2007 on bypassing KPP version 2, and a third report in September 2007 on KPP version 3. Also, in October 2006 security company Authentium developed a working method to bypass KPP.
Nevertheless, Microsoft has stated that they are committed to remove any flaws that allow KPP to be bypassed as part of its standard Security Response Center process. In keeping with this statement, Microsoft has so far released two major updates to KPP, each designed to break known bypass techniques in previous versions
Então, como o patch do kernel não é suportado pela Microsoft, não há uma "opção confiável" para desabilitá-lo - você sempre terá que depender de algum hack desonesto.