The first time you run VIPRE, you will need to adjust your Mac's Security Preferences to ensure the VIPRE system extension is allowed to load properly.

How to allow VIPRE system extension in macOS

When you first run VIPRE, you may experience one of the following issues:

Issue	What is shown on Mac
A "System Extension Blocked" message is displayed, similar to the one on the right.
Active Protection is blinking red, and VIPRE's status is red = AT RISK.

To resolve these issues, users running macOS High Sierra (10.13) or later will need to ensure macOS is not blocking VIPRE from loading. Proceed with the steps below to enable macOS to successfully load the VIPRE system extension.

Steps to allow VIPRE system extension in macOS

1. In the top left corner of the screen, choose Apple menu > System Preferences
2. Click Security & Privacy, then click General
3. Click lock (to make changes) and enter administrator credentials for User Name and Password, and then click Unlock 
4. At the bottom of the Security & Privacy screen, you should see a message about software being blocked. Depending on which message is displayed, there are slightly different steps to follow. See the table below for the next steps.

Option	If the message says...	Then perform these steps...
Option A	"System software from developer 'ThreatTrack Security, Inc.' was blocked from loading"...	Click the Allow button Save the changes and restart the system Once the system has restarted, you’re done! You may now use VIPRE. Note: There is a known issue with some software stopping the Allow button from being clicked. Apple's support articles below may help if you are having this issue. System Extension Blocked - but can't allow extension "Allow" Button in System Preferences for Blocked System Software Doesn't Work
Option B	"Some system software was blocked from loading"...	Click the Allow  button. A list of developers is displayed. Select ThreatTrack Security, Inc., from the list of developers. Then click OK. Save the changes and restart the system Once the system has restarted, you’re done! You may now use VIPRE. Note: There is a known issue with some software stopping the Allow button from being clicked. The Apple articles below may help if you are having this issue. 1. System Extension Blocked - but can't allow extension 2. "Allow" Button in System Preferences for Blocked System Software Doesn't Work

Next steps

Now that you have completed the steps above, review this article to make sure VIPRE has full disk access, which is required to keep your Mac properly protected by VIPRE.