I installed Windows 8 and ESS and they were working fine. Until ESS updated. It finished updating and gave an error saying HIPS could not be started. I restarted the computer and Windows 8 locks up at the logon screen. I had to boot to Safe mode and run the ESET uninstaller in order to restore access to the system again. I'm downloading the beta of v6 now and hope that gets rid of the hard lock at the logon screen.