i am trying to download Adobe Flash APT for Ubuntu 10.4 and it keeps asking me to choose an application to open it. I do not understand and do not know which application to choose. Could you please help
You can open the APT in Ubuntu Software Center.
Don't you see it?
You could also check the following page: http://helpx.adobe.com/content/help/en/flash-player/kb/enable-flash-pl ayer-google-chrome.html#id_27949