Prompt to Use Acrobat from Reader

Specifies whether to prompt users to use Acrobat when both Reader and Acrobat are installed. When Acrobat and Reader are both present, opening a file in Reader prompts the user to switch to Acrobat as well as make Acrobat the default PDF viewer. Possible values include: 0: Don't prompt to use Acrobat. 1: Prompt to use Acrobat.