Someone help, going nuts. everything just stopped working or very slow

This is a good starting point:


No, unless you did a Z-wave radio reset AND had a cloud backup from Hub Protect (only way to restore the ZWave radio).

Typically this would be Z-Wave, anything on the Z-Wave details with no device name listed on the right side. -- How To Remove Ghost Devices using hub tools or a UZB Stick (Also tips how to remove without a USB stick)