Several forum users have made us aware of problems with the latest v4.30.005 firmware, not everyone seems to be experiencing problems and the linking factor between those experiencing issues appears to be that they had updated from the old v4.21.005 firmware. This firmware was made public late...
[20/07/20 - IMPORTANT - Some users updating to this firmware have reported that their NVRs have reset after updating, this does not appear to be affecting all K-series NVRs but if you are worried about losing any NVR/camera settings you can always go to Maintenance and export the NVR/Camera...