That's the error message I get when attempting to launch an additional Chrome window from a Chrome shortcut (like the one its installation routine puts in Windows' Quick Launch Bar). How do you reproduce it and what's the workaround? Read on. But remember folks: it's "beta."My journey into Chrome began rather innocently. But then, I saw a post on Google's Gmail blog that suggested creating application shortcuts that, when used, result in "streamlined" Chrome windows. Says the blog:

As a Gmail user and someone interested in how Chrome will likely produce a better Gmail experience than other browsers, I decided to give the idea a whirl. After generating shortcuts that went specifically to my Gmail account in Windows' Start Menu, Quick Launch Bar, and on the Windows Desktop, I double clicked on the one in the Quick Launch Bar and up came just such a streamlined Chrome window. There are no tabs, no menus, and none of the standard command structure found in a regular Chrome window. All I saw was the Gmail user interface.

But when I decided I needed another Chrome window to do some other work, I did what I might normally do with IE or FireFox. I double-clicked the regular Chrome shortcut to launch a regular "unstreamlined" Chrome window.

That's when I got the following:

Of course I pressed "No" because now, I had two streamlined windows open that I didn't want to lose. There is a workaround that works just fine (shown in the screenshot below):

Finally, indicating perhaps another problem with spawning new Chrome windows, I'm having trouble with the little text ads that show up near the top of Gmail's interface. That's exactly how I spotted the entry about Chrome in the Gmail blog (via one of those text ads). But, when I click on the links in those text "ads" (I tried it with the link to the Gmail blog and then with one to CNN), all I get is a new Chrome window with a blank page. To be sure that it wasn't my connectivty, I manually spawned a new window and typed "Gmail blog" into the URL field (this is one place where Chrome really shines), and I was immediately offered the direct URL to that blog (on blogspot).