This error is caused by a version conflict between two versions of the ~ATMcontrol panel installed by each bundle. Use the latest version of Adobe Acrobat, which is version 2.1 and remove the older version of the control panel.
This article provides information about a non-Apple product. Apple Computer, Inc. is not responsible for its content. Please contact the vendor for additional information.
The Tech Info Library article titled "Locating Vendor Information" can help you search for a particular vendor's address and phone number.