RBR750 where the system will randomly reset/reboot itself a few times a week

Does the front LED turn PINK or blink WHITE when this happens?

Do you have Ipv6 enabled? 

What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too? 
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended. 

How was FW updated on the system? Updated via Auto Update or manually? 

Has a power off for 1 minute then back ON with the ISP modem and router and satellite(s) been performed since last update?
Be sure to restart your network in this sequence:
Turn off and unplug modem.
Turn off router and computers.
Plug in and turn on modem. Wait 2 minutes for it to connect.
Turn on the router and wait 2 minutes for it to connect.
Turn on computers and rest of network.

How many RBS are deployed? 
What is the size of your home? Sq Ft? 

Try disabling the following and see:

Armor, Guest Network, Smart Parental Controls or Circle, IPv6, Protection Engine, Traffic Meter.

What channel configurations are currently set on the router?