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unable to install flashplayer, what do I do ?

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In trying to upload a picture, I followed instructions to download flash player, then clicked run, then a warning appeared for me to cancel, program would harm my computer. I've also checked for plugins but while it states its searching for them it never stops, I meant to say, it searches forever! I don't know anything about installing or options, but I do know when to stop because of potential harm to my computer. Please help me.

In trying to upload a picture, I followed instructions to download flash player, then clicked run, then a warning appeared for me to cancel, program would harm my computer. I've also checked for plugins but while it states its searching for them it never stops, I meant to say, it searches forever! I don't know anything about installing or options, but I do know when to stop because of potential harm to my computer. Please help me.

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There are two different versions of Flash for Windows, 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 - 32-bit 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