Step1. Stop the SMC Service.
Step2. Open the Regedit.
Step3. Delete the key HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Storages\SymHeurProcessProtection
(Please take a back up of the registry before deleting)
Step4. Repair the SEP from “Add or Remove Program”.
Step5. Start the SMC Service
Step6. After Startup the Service, Click on Shield, it becomes Green and shows waiting for update (In case PTP is OFF)
Step7. Go to “Help and Support\Troubleshooting”. Push up the Update in Under Policy Profile Tab.
Step8. This will update the PTP.
Notes- Please take a back up of the registry before deleting “SymHeurProcessProtection”.