Clear SEP 12.1.2 client virus definitions on computer running windows 8

Hello,

i have a computer that is running Windows 8. Installing SEP as managed client (using the package exported from the console).

But SEP did not start; i decided to launch symhelp that tolds me that virus definition are damaged.

This technote is applicable; But not for windows 8? http://www.symantec.com/docs/HOWTO59193

the ability to disable theBASH driver as it said on the technote, but it seems that in windows 8 it's not possibile to make visible hidden drivers.

Somebody had already incontred this issue?

My workaround was to uninstall reinstall SEP but i prefer something from technote if possible.

Thanks