Set the installer to "Windows 7 Compatibility Mode" before launching.
To get the MasterCollection_CS6_LS4.exe installer to work properly, you primarily need to ensure that its companion archive file is present and correctly named. This specific installer is for the multi-language version (Danish, Dutch, Finnish, French, German, Italian, Norwegian, Portuguese, Spanish, and Swedish). Critical Fix: Match File Names mastercollectioncs6ls4exe work