My ZoneAlarm Free edition takes almost half an hour to completely install and configure an update. I was updating last night and it was taking so long that I walked away and forgot about it, which means that I did not finish the update install until this morning. Was my system vulnerable all night long? If so, what can I do about it?

Operating System:Windows XP Home Edition
Product Name:ZoneAlarm (Free)
Software Version:6.5