iOS: How to Un-trust a Computer You can simply delete all files under /var/db/lockdown Source: iTunes: How to reset the Lockdown folder Related Posts How to Cleanup Systems w/o CleanMyMac (a.k.a. OS X Cleanup Guide) Windows 系统安全设置、权限恢复备忘 Remove Aliyun Aegis (`aliyundun`) and `aliyun-service` Fix “The folder “Backups.backupdb” can’t be opened because you don’t have permission to see its contents.” Error Uninstalling letsencrypt – Let’s Encrypt Community Support