For an issue such as this it would be best to open a support ticket..
Which OS ? 06.37.13
Case 00791014 was: Our works with WIB after about 1-2 hour is no longer possible.
100% CPU use from explorer.exe also after end WIB - Workaround: only coldboot the devices for the next slowdown
WavelinkSupport not really helping us --> Only Solution was go back to WIB 7.3.192