Yes, disabling apps/drivers would be one way to start the diagnoses. This can be done by 1. Showing the βDisableβ column and then 2. adding a check mark to items to disable.
You can also find good information in the logs - Are there errors? And this same area allows you to see App and Device statistics that should help you.
Does crash = complete freeze, with no zigbee, zwave or other devices controlled by the hub and no access through the network interface, and it is remedied only by power cycle?