Sage 100: The eFile Client was Unable to Install on System


“Sage 100  The eFile Client Was Unable To Install On Your System. Contact Your System Administrator” when trying to install (Aatrix) eFiling and Reporting


Operating System Warning
This solution requires advanced knowledge of your computer’s operating system. Contact your system administrator for assistance. Modifying your Windows Registry incorrectly can severely affect system operations. Sage is not responsible for operation issues caused by incorrectly modifying your Windows Registry. Always create a backup of your data before proceeding with advanced solutions.


Note:  If you received this error after selecting “Yes” to the prompt “The eFiling and Reporting client needs to be installed. Do you want to proceed?” within Sage 100, make sure to log out and install instead from the Workstation Setup installation menu per the instructions below.

Note: For Windows 7 workstations or Windows 2012 servers or higher, first verify that User Account Control (UAC) is set to “Never Notify”. For Windows Vista or Windows 2008 servers, turn off User Account Control (make sure the checkbox is not selected.

  1. Use Windows Explorer to browse to the “…\MAS90\Wksetup” folder on the server where Sage 100 ERP is installed.
  2. Right clickon exe
  3. Select Run as Administrator
  4. From the menu, select to Install Federal and State eFiling and Reporting
  5. Proceed through installation 


If necessary, seek the assistance of Acute Data Systems to help provide assistance with this process.