Google Chrome Portable version is released by a German blogger Caschy, you can download the Portable Google Chrome from his blog, blog is in German, look for a link at the bottom of the post.
This is not truly a portable version, there is no installation in USB device, just download the archive file and extract it to your USB stick, open the folder Portable_chrome and click the “ChromeLoader” to use the browser.
I have tested this on Windows Vista SP1 system, it is working fine. The author tested it on Windows Vista SP1 and Windows XP SP3 and seems to be working well.

If u got an false positive from your AV: because the Loader is a compiled batch-file. Thanks for your posting
What does it even do? Is it like search for desktop?
Well if it works well, then why not. It will make distributing it much easier because you can install it for someone who doesn’t have internet connection currently.
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Thanks for your loader Caschy!
Portable chrome does not work on W2K.
It is portable only in the sense that you are able to take it along the way on your USB stick.
As long as I am forced to run Chrome on a currently supported MS OS I dont see any good in this browser.
Does it support auto-update? Of is that feature broken by making it portable?
I don’t see the point in using a ‘fake’ USB portable app that is still in beta stage.
Guest, Chrome will be released for Windows, Mac and Linux.
And Goran, what’s the point in installing a browser for someone who doesn’t have internet access?
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many thanks for you
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please provide me
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