20130509155729 E #04356 NAISIGN Unable to initialize crypto module.
Could you please check if you have any other application is using cryptocme2.dll file?
at frist chake log files.
to me the failure seems to be this in ePO460-Install-MSI.log:
1: 15:57:43 ePO460CALog (RB): FAILURE: In LaunchApplication while trying to run the following program:
Return code: 1
Error Message: Incorrect function.
and in epo.err in folder McAfeeLogs/EPO460-Troubleshoot/OutputFiles:
Error encountered while running command:ext.install extension=file:///C:/PROGRA~1/McAfee/EPOLIC~1/INSTAL~1/ePO/EXTENS~2/epo.zip
java.net.SocketException: Connection reset
Could you take a look at KB60569 and see if any of the causes is applicable to your problem?