Problem

When you try to update Adobe Acrobat DC or Acrobat Reader DC, you get an error – “Error 1923: Service Adobe Acrobat Update Service (AdobeARMService) could not be installed. Verify that you have sufficient privileges to install system services.”

Solution

The error occurs when any one of the following conditions is true:

• A file is in use and the installer cannot overwrite the file.
• The file is in use by any anti-virus or data-backup software you have installed on your computer.
• A previous uninstallation of Adobe Acrobat DC or Acrobat Reader DC was unsuccessful.

Solution 1: Restart your computer

Restart your computer, and then install the Adobe Acrobat DC or Acrobat Reader DC update.

Solution 2: Stop the Adobe Acrobat Update Service

1. In Windows, open the Run command box by pressing the Windows key and the R key.
2. In the Run command box, type Control Panel and press OK.
3. In Control Panel, go to Administrative Tools > Services.
4. In the services window, right-click Adobe Acrobat Update Service and click Stop.
5. Install the Adobe Acrobat DC or Acrobat Reader DC update.

Solution 3: Stop and remove the Adobe update service

1. In windows, click Start and type PowerShell.
2. Right-click Windows PowerShell and select Run As Administrator. Enter your Windows user name and password if prompted.
3. In Windows PowerShell, do the following:
   • To stop the Adobe ARM service, write the following command, and press Enter.
     sc.exe stop AdobeARMservice
     
   • To delete the Adobe ARM service, write the following command, and press Enter.
     sc.exe delete AdobeARMservice
     
   • Delete the remaining files from the Adobe update service folder. Type the following command, and press Enter.
     del “%PROGRAMFILES(X86)%\Common Files\Adobe\ARM\”
4. Close Windows Powershell and install the Adobe Acrobat DC or Acrobat Reader DC update.

Source: Adobe HelpDesk