Forum Discussion

Karthick T.'s avatar
Karthick T.
New member | Level 1
11 years ago

Intenet Explorer Throwing "Unable to communicate with parent window" error while using Dropbox Chooser

In IE 11 browser, When try to open a window with Dropbox authentication page for Dropbox Chooser, We are getting the error "Unable to communicate with parent window" in the authentication window. ...
API
Greg-DB's avatar
Greg-DB
Icon for Dropbox Community Moderator rankDropbox Community Moderator
11 years ago

Thanks for the report! First, can you let me know if this does or doesn't happen for you on https://www.dropbox.com/developers/dropins/chooser/js? If it doesn't, can you provide a sample page where it does reproduce?

Anyway, one way this can happen is if window.opener is null. Can you open the console on the Chooser popup itself when in the broken state and see what window.opener returns?

Also, is your site telling IE to use a particular compatibility mode? This can cause issues if the host page (your site) and the Chooser (which is hosted on our site, which tells IE to use the latest mode) are in different mode

Finally, another thing that can sometimes cause issues is IE's security settings (in the Security tab of Internet Options). Have you made any changes there? Is "Protected Mode" enabled?

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