Unable to install flash player!!!

i have tried to install adobe flash player several times with all the links i am able to find, unfortanately unsuccessful.  i have doen the unistalling and repeated the install process many times. it will go through the download and say installed on my Mac, an icon even appears on my desktop. And i am asked to close all open pages on safari.  I go to the Adobe web page and check the version of flash and it shows like i have nothing installed please. I am running Mac OS X 10.6.8 3.06GHz Intel Core 13. And on Safari.   Please help!