Please verify if you're Acrobat 9 is updated to 9.4.2 by checking the version at Help > About Acrobat 9 Pro
If it is Acrobat 9.4.2 then do the the following....
the fast and easy way:
1.) go to the installation directory of Acrobat (C:\Program Files\Adobe\Acrobat 9.0\Acrobat)
2.) Look for the file "Adobe.Acrobat.Dependencies.manifest"; do a right click (open with) then select from the list of programs - choose Wordpad;
3.) Delete the line <file name="atl.dll" /> then click on the Save button
4.) Reboot your machine after saving that file
This should fix the issue of being unable to print PDF file after installing 9.4.2 update for Adobe Acrobat.
In addition to the above solution, you can also fix your problem by using the EXE as below. I applied the fix on my system, and it seems to have fixed my printing woes.
You can download the EXE from:
For more information on the same, please refer to:
http://kb2.adobe.com/cps/891/cpsid_89178.html (Solution 1 listed on the page)