Software Update blocked by Norton

[Jack333]

Description of the issue:
Automatic update failed
Steps to Reproduce (add as many as necessary): 1. 2. 3.

Actual Result (gifs and screenshots are welcome!):

Expected result:

Reproduces how often:

Operating System and Brave Version(See the About Brave page in the main menu):

Additional Information:

[eljuno]

cc @Mattches @sriram @sampson on this

For now, you can whitelist Brave for the AV.