Settings in System Preferences get reset upon restart/ after shutdown.

My Ryzentosh is currently very stable, with the only 'non-workers' being iMessage, Siri, FaceTime and sort of Handoff (only works one way).

​

Anyhow, regarding the issue I described the title, two settings in System Preferences, namely:

​

1. Find my Mac under the iCloud tab
2. Allow guest user to use this computer under the Users & Groups tab

​

always get reset to their defaults after a restart, or powering up after a full shutdown. The 'Find my Mac' option always gets unchecked and 'Allow guest user to use this computer' gets checked.

​

I would like to keep the Find my Mac setting permanently on and to keep the guest account permanently off. Is there a way I can achieve this?

​

Any help is appreciated, specs are summed up in the table below. 🖥🖥

​

|OS|High Sierra 10.13.3|

:-:|:-:|

|**CPU**|AMD Ryzen 1800x|

|**Motherboard**|ASUS Crosshair VI Hero|

|**GPU**|Zotac Nvidia gtx 1070 8gb (reference cooler)|

|**Memory**|16gb - 2x Corsair dominator platinum 8gb 3200mhz|

|**OS install drive**|Crucial MX500 250gb SSD|

|**Wifi & Bluetooth**|iMac A1419 BCM94360CD card w/ PCI-e adapter|