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right click and click 'run as administrator'.
if that fails, reset your preferences by holding down shift-ctrl-alt while starting flash pro. you'll see a confirmation dialog if done correctly.
if that fails, reinstall flash pro cc.
if that fails, uninstall, clean and reinstall: http://helpx.adobe.com/creative-suite/kb/cs5-cleaner-tool-installation-problems.html
thank you very much it looks like i will have to do the clean and reinstall
option you mentioned. Thank you.