I have CC 2014 enterprise for a college and created a package to install CC 2015 on all of our machines. I run the uninstaller for the CC 2014 and then I run the installer for CC 2015 to upgrade and half way thru the instaler say "installation failed please contact hte software vender" It only happens on a few machines, but I cant seem to install it on those machines at all. I have run the Adobe CC cleaner and rebooted several times.
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