After I installed Acrobat Professional 9 on one computer, I tried to run the updater. I got this message: A new version of the Adobe Updater is available for installation. Click on OK to install it now.
If I clicked on OK, it downloaded the new version and tried to install it. However, the installation of the new updater failed, and I got this message: Adobe Updater Install Manager has stopped working.
This happened on two computers, and both computers were running Windows 7 Enterprise 64bit. I went to Adobe’s web site and found the Adobe Updater 6.2. I downloaded the updater manually and installed it. The new updater fixed the problem. The download link is