i have mac 10.6.8 and safari 5.1.10. on checking help website i am told latest flash player 16.0.0.305 is already installed BUT is not listed in my applications and unable to access sites requiring flash player. can anyone help?

[anneb22977747]

i have mac 10.6.8 and safari 5.1.10. on checking help website i am told latest flash player 16.0.0.305 is already installed BUT does not appear on my list of applications and am unable to access websites requiring it. have also downloaded flash player installer app but unable to download the flash player itself. can anyone help? thank you!