Disable APSD & System Integrity Protection

To Disable APSD (Apple Push Notification Service Daemon)

Open Terminal, enter:

sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.apsd.plist

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To re-enable the process, you can use this:

sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.apsd.plist

Disable System Integrity Protection Temporarily in page link

To disable SIP, do the following:

  1. Restart your computer in Recovery mode.
  2. Launch Terminal from the Utilities menu.
  3. Run the command csrutil disable.
  4. Restart your computer.

Warning

Disable SIP only temporarily to perform necessary tasks, and reenable it as soon as possible. Failure to reenable SIP when you are done testing leaves your computer vulnerable to malicious code.

Enable System Integrity Protectionin page link

To reenable SIP, do the following:

  1. Restart your computer in Recovery mode.
  2. Launch Terminal from the Utilities menu.
  3. Run the command csrutil enable.
  4. Restart your computer.