This installer fixes the problem loading the photoshopimport.aip and photoshopexport.aip plugins in In Illustrator CS4 running on OS X Yosemite. The launch log output in Console should throw these errors: Adobe Illustrator[521]: Error loading /Applications/Adobe Illustrator CS4/Plug-ins.localized/Photoshop Formats.localized/PhotoshopExport.aip/Contents/MacOS/PhotoshopExport: dlopen(/Applications/A