Are you installing as an Administrator user?
No I am not.
Pat, do I need to COMPLETE uninstall my previous Adobe Acrobat, prior to re-installation of this new product?
hi again Pat
After having removed Adobe Reader version 10 and Adobe Photoshop Elements 10, I am still unable to install Adobe Acrobat Pro XI, and still receiving the same error message. Kindly help, anybody out THERE!!!!??? Thanks in advance...