Longer than I care to acknowledge I have been using Lacerte. Before Intuit. Before Windows (batch input those were the days!)

I have never. Never. Needed to reboot a Server to accommodate any Updates. Rebooting client PC's occasionally of course. Yes, the Security is less than, but it's not limited to Lacerte. Thomson Reuters Tax also requires Admin lever for Users to efficiently work in their products. (This is a small shop; I am positive we are not locked down nor bleeding edge.)

All vendors happily offer a Hosted product these days which potentially alleviates many of these concerns - for a price.

The Lacerte under the hood detailed tech information is spread thin, and always a challenge to locate again each Season when the links break during compulsory Site Refresh.

Links with technical detail I have found here in teh Community

Common Settings for Lacerte System Administrators

Recommended Lacerte Update Settings to Minimize Disruptions

Firewall and Anti-Virus Software Configuration for Lacerte Tax

Ping @IntuitAustin