FLASH PLAYER CANT BE INSTALLED ON INTERNET EXPLORER

Hi

My system:

Windows Vista 64 Ultimate (German language)

My problemms:

1: Everytime i click on "accept and download button" the page just reload. http://get.adobe.com/de/flashplayer/

2: If i load the installer with Firefox and try to install it, and window get open:

     Adobe Flash Player ActiveX Installation: Done

Log: Delete File: C:\Windows\system32\Macromed\Flash\Install.log

Target Folder: C:\Windows\system32\Macromed\Flash

Start: "C:\Windows\SysWOW64\Macromed\Flash\uninstall_activeX.exe"

Skip: Flash10c.ocx

Skip: FlashUtil10c.exe

Registry: C:\Windows\system32\Macromed\Flash\Flash10c.ocx

Create Deinstalling Programm: C:\Windows\system32\Macromed\Flash\uninstall_activeX.exe

Done

     and a "Finish" button that i can click.

ok if i click it the window close.

BUT

There is no C:\Windows\system32\Macromed\Flash\ folder, just C:\Windows\SysWOW64\Macromed\Flash\

3: If i open IE (InternetExplorer) and click "Extras" and "Add-ons" there is Shockwave Flash Object

BUT

It isn't loaded.

Now if i try Youtube, still cant watch any video.

I Already tried 1000 of things and noone can help me.

PLEAZE HELP (every possible method is welcome)