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Google Chat will be replaced by Hangouts on June 26, 2017. Learn how to use Hangouts.

Plug-in 1603 error message

In Microsoft Windows, if you see a 1603 error during installation, run the Program Install and Uninstall troubleshooter. After running the utility, upgrades and installations should work normally.

Megan is a Google Chat expert and the author of this help page. Help her improve this article by leaving feedback below.

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