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I Am just being told that flash player must be manually installed why?

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I am attempting to get the latest version of Flashplayer but am always told the installation has failed,and i do not have any idea as to why,i have removed the previous version yet am unable to get the latest any help is greatly appreciated.

I am attempting to get the latest version of Flashplayer but am always told the installation has failed,and i do not have any idea as to why,i have removed the previous version yet am unable to get the latest any help is greatly appreciated.

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There are two different versions of Flash, the ActiveX version for IE and the Plugin version used by Firefox and most other browsers.

1.Download the Flash Plugin version setup file from here:
Adobe Flash - Plugin version.
Save it to your Desktop.

2. Close Firefox using File > Exit
then check the Task Manager > Processes tab to make sure firefox.exe is closed,
{XP: Ctrl+Alt+Del, Vista: Shift+Ctrl+ESC = Processes tab}

3. Then run the Flash setup file from your Desktop.

4. Start Firefox and test your installation here: https://www.adobe.com/software/flash/about/

  • On Vista and Windows 7 you may need to run the plugin installer as Administrator by starting the installer via the right-click context menu if you do not get an UAC prompt to ask for permission to continue (i.e nothing seems to happen).

See this:
http://vistasupport.mvps.org/run_as_administrator.htm