Acrosup64.dll Is Not Marked For Installation Exclusive

3. Clear Windows Installer Registry Entries via Revo Uninstaller

Once you resolve "acrosup64.dll is not marked for installation," follow these best practices to avoid recurrence: acrosup64.dll is not marked for installation

Run the tool and select or Acrobat to remove all traces of previous versions, including registry keys and residual DLL files like acrosup64.dll . Manually Delete Residual Folders : acrosup64.dll is not marked for installation