Execute the following commands:
username>$ launchctl unload -S Aqua /Library/LaunchAgents/com.paloaltonetworks.gp.pangpa.plist
username>$ launchctl unload -S Aqua /Library/LaunchAgents/com.paloaltonetworks.gp.pangps.plist
username>$ launchctl load -S Aqua /Library/LaunchAgents/com.paloaltonetworks.gp.pangpa.plist
username>$ launchctl load -S Aqua /Library/LaunchAgents/com.paloaltonetworks.gp.pangps.plist