The weird with this problem, is that Adobe Reader DC has not have been installed on the machine, because there isn't exist any trace of the Adobe Reader program or files either on Add/Remove programs or in the hard drive.Īdditionally, when troubleshooting the installation problem 'a new version already installed' of Adobe Reader DC program, the following error message occurred when trying to install the program using the Adobe Acrobat Reader DC Distribution package: 'Error 1722. The following issue was encountered on a Windows based computer: Adobe Acrobat Reader DC fails to install because 'Newer version already installed'.