“There are a few potential causes of the “secure browser quit unexpectedly” error – the most common solutions are below.

Before doing anything else, make sure the Mac OS version is v10.14 or above. Assuming that it is:

The easiest thing to try is to create a new user on the Mac and try testing under that user – directions can be found here: https://support.apple.com/guide/mac-help/set-up-other-users-on-your-mac-mtusr001/mac

• Please mark the new user as an Admin but otherwise leave the settings as default, and don’t install anything aside from the Mac secure browser under that user.

Another potential issue is built-in content filtering on the Mac – please try the below:

For removing the content filters, there are a couple places to check:

• system preferences-> Parental Controls-> pick user-> Web; once there, ensure that setting is set to: “Allow Unrestricted access to websites”
• https://support.apple.com/guide/mac-help/change-screen-time-content-privacy-mchlbcf0dfe2/mac. Please make sure that content and privacy restrictions are off and that web content is unrestricted.

A third potential cause is not having System Events enabled. We recommend this user follow the steps below to enable System Events:

1. Press the Apple button in the upper left hand corner of your screen. From there, go to System Preferences.

2. Open the Security & Privacy Settings.

3. Navigate to the Privacy tab.

4. Scroll down to Automation.

5. Ensure “System Events” is selected for the Secure Browser”