Trash the DMG and DMG.part from your Aoolictions and downloads folders.
See:
Follow those instructions to the letter... they work 99.999% of the time.
Trash the DMG and DMG.part from your Aoolictions and downloads folders.
See:How to perform a "clean install" of Flash Player in Mac OS X
Follow those instructions to the letter... they work 99.999% of the time.