Signature 365 agent authentication script error

When attempting to use the Signature 365 agent to retrieve signatures, you see the following error message:

Microsoft has recently made changes to the custom branding function within Microsoft 365, which means this is no longer compatible with the default IE11 browser used by Microsoft's internal authentication components.

Symprex has introduced an option with the agent to use the system browser of the OS to allow authentication.

The following registry setting will need to be configured to use the system browser:

Path: HKEY_CURRENT_USER\SOFTWARE\Symprex\Signature 365 Agent

Type: String
Name: Use System Browser
Value: True