If you are having problems installing Corel PDF Fusion build 1.11 on Windows 7 or Windows 8/8.1, please try one of the following:
On the Setup Type screen, enable the Custom option. Then, on the Custom Setup screen, disable the Corel Office Addins option.
Install the latest Corel PDF Fusion build (1.12) from www.corel.com/pdffusion by clicking Download Trial and entering your current serial number in the installation.
Note: This build does not contain Corel Office Addins.