SOLVED: boot in Recovery Mode. When there, in the menus choose Utilities -> Terminal csrutil disable Login back to your user account  Open terminal (you would be in root/administrator, so be careful!) sudo su - root cd /Volumes/[start up disk]/usr/bin ./sqlite3 /Volumes/[start up disk]/var/db/SystemPolicyConfiguration/KextPolicy Again you should have an sqlite> prompt. select * from kext_policy ; and confirm you have the same information as before. To delete an item if it has a Team_ID: delete from kext_policy where Team_ID = 'X123456789' ; DELETE FROM kext_load_history_v3 WHERE team_id = 'X123456789' ; Repeat the select command to confirm it's gone. If there is no Team_ID, for example, the "wacom" item in your list: delete from kext_policy where Bundle_ID like '%wacom%' ; Then .quit to get out of sqlite3, reboot and your system report disabled software should be clean of those items you deleted from the database. Logout>  boot in Recovery Mode. When there, in the menus choose Utilities -> Terminal csrutil enable Login back to your user account, you would now see the entries from disabled software is gone from system info and you can see the serial port Again once you plug your ESP.

can anyone help me?