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What are the differences between Google Chrome and Chromium (especially with respect to privacy)?

After researching, I came to know that Google Chrome built on chromium, which is a open source web browser. I am not using Chrome, but why I am getting the following error?

You are using an out of date version of Google Chrome. Some features may not work correctly. Upgrade to the latest version. Dismiss

Is Chrome and Chromium same?

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migrated from Dec 15 '12 at 19:58

This question came from our site for professional and enthusiast programmers.

marked as duplicate by Sathya Dec 18 '12 at 10:07

This question was marked as an exact duplicate of an existing question.

up vote -1 down vote accepted

Chromium is the name given to the open source project and the browser source code that was released and maintained at One can compile this source code to get a fully working browser.

Google takes this source code, and adds on the Google name and logo, an auto-updater system called GoogleUpdate, and RLZ1 , and calls this Google Chrome. As such, everything which applies to Chromium below also applies to Google Chrome, while there are some things that apply to Google Chrome (such as the auto-updater) that do not apply to Chromium.

If you are on Linux and looking for specific differences check THIS

For full discussion check this

1. When you do a Google search from the Google Chrome address bar, an "RLZ parameter" is included in the URL. It is also sent separately on days when Google Chrome has been used or when certain significant events occur such as a successful installation of Google Chrome. RLZ contains some encoded information, such as where you downloaded Google Chrome and where you got it from. This parameter does not uniquely identify you, nor is it used to target advertising. This information is used to understand the effectiveness of different distribution mechanisms, such as downloads directly from Google vs. other distribution channels. This cannot be disabled so long as your search provider is Google. If your default search provider is not Google, then searches performed using the address bar will go to your default search provider, and will not include this RLZ parameter.

Let me know if you need more information.

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Thanks Sudharshan..I understood...! – Chella Dec 17 '12 at 4:48
Chrome hasn't had RLZ parameter since ages. – Sathya Dec 18 '12 at 10:06

To avoid such warnings and enjoy all the latest features, you should install the latest version of Chromium: Download the most recent version for your operating system.

One annoying problem with Chromium is that it does not update automatically, at least on Windows.

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