Step 1: Please turn off the Anti-Virus software during installation. Once this has been done, please follow the steps below.
Please make sure to have all applications closed (for example, Adobe Photoshop, Adobe Photoshop Elements, Apple Aperture, and Lightroom)
Step 2: Select the .exe installer file. Instead of double clicking on the .exe installer file please RIGHT CLICK and choose RUN AS THE ADMINISTRATOR.
Step 1: Double click on the .dmg file.
Step 2: Double click on the Perfect Photo Suite 10.pkg (if you own legacy versions, it will have the version that you are trying to install instead of the 10) and follow the installation prompts.