Specifies whether trust anchors should be imported silently or Acrobat should ask permission from the user.
0: Enable and Ask before installing.
1: Enable and Install silently.
GUI mapping: Preferences > Security > Security Settings panel > Ask before installing checkbox
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | Software\Adobe\Adobe Acrobat\DC\Security\cDigSig\cAdobeDownload |
| Value Name | bAskBeforeInstalling |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |