I myself would be scrambling to download a copy of Pop-Up Stopper or PopUp Killer.

我会下载阻截弹出框广告的软件。

youdao

Warning: This section movies contains virus and pop-up ads. If you don't know how to rip off it, please do NOT download.

警告：此区片多数有网络验证，病毒或跳窗的广告，如果你不会去除，请不要下载。

youdao

That means when you click from an insecure tab in your browser to a secure one, the insecure site can wait until the user is on a trusted site and send a pop-up requesting the user download a plug-in.

FORBES: Twenty-Four More Reasons Not To Trust Your Browser's "Padlock"

The Koobface download happens without a pop-up window.

FORBES: Updated with Network Solutions response below.