Here are some tips that will make the computer healthy.  

1. Make sure you are using business-grade antivirus software.

2. Reboot the computer at least once a week by shutting it down completely. 

3. Reboot the router at least once a month by sticking a paperclip in a paperclip sized hole on your router and holding it for at least 30 secs. 

4. Reboot the Windcave terminal at the start of each day by pressing the clear and function keys simultaneously.