Just installed version update, now at

ZoneAlarm Extreme Security version: 11.0.780.000
Vsmon version: 11.0.780.000
Driver version: 11.0.764.000
Antivirus engine version: 8.3.1.6
Antivirus signature DAT file version: 1127529184
AntiSpam version: 6.3.1.4973

Windoze 7 64 bit

Update hangs with "Update in progress" in popup window
Progress bar empty at 0%