Can not download windows live Installer, can not even browse any Microsoft Page!!!

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http://www.daniweb.com – I desperately need to install Windows Live Writer. I previously Installed Writer in my xp system. But now, after formatting my XP, I can not Download the Windows Live Installer in my computer. The strange thing is that I can’t not even access any Microsoft.com pages. However, I downloaded Windows Live Installer thought my friend’s system. But when I try to run the Installer It comes up with a Error message saying that “ Couldn’t Install Programs. Use windows update to download the latest version of Windows Installer, and then try again” What should I do now?? (General)