Close ACT. Download the attached file at the bottom of the page.


Copy the 4Advisors.dll to the folder
C:\Program Files\ACT\Act for Windows\Plugins

In the Plugins folder, find and delete the file named AxInterop.SHDocVw.dll

Next, copy the files A4ALayoutTab.dll and AdvisorPrefMailButton.dll to the folder
C:\Program Files\ACT\Act for Windows\Tools

Act4Advisors
http://software4advisors.com 
Allied Financial Software, Inc.