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I have been wondering - how does Google Chrome install in a single click?
Its not ClickOnce (that behaves differently) and this works cross browser. Any ideas?

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migrated from Jan 27 '11 at 5:27

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It actually is ClickOnce.

 function installViaClickOnce(opt_navDocument) {
    queueThankyou(10000, '\x26clickonceinstalled=', opt_navDocument);
    downloadInstaller(areStatsEnabled(), _GU_buildClickOncePath, "/update2/installers/clickonce/GoogleInstaller_en.application");

Google's ClickOnce application installs the installer for Chrome which in turn does the download for the browser.

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Actually it is indeed bootstrapped with the ClickOnce installer. It uses ClickOnce to get it's components onto the machine and then installs the rest of chrome via the downloaded components.

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