--- title: "Error: Could not establish connection. Receiving end does not exist" slug: "error-could-not-establish-connection-receiving-end-doesnt-exist" updated: 2024-11-04T22:30:15Z published: 2024-11-04T22:30:15Z canonical: "support.whatfix.com/error-could-not-establish-connection-receiving-end-doesnt-exist" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.whatfix.com/llms.txt > Use this file to discover all available pages before exploring further. # Error: Could not establish connection. Receiving end does not exist ### Issue When trying to install the [Whatfix Preview Extension](/studio/docs/use-preview-extension-to-test-whatfix-content), you are getting the following error: **Could not establish connection. Receiving end does not exist.**![Preview_extension_error](https://cdn.document360.io/a268766e-d74d-4619-9613-e2472f809ffb/Images/Documentation/image001 (2).png) ### Probable Cause This error occurs when the Whatfix Preview Extension fails to establish a proper connection with your browser due to an incomplete or incorrect installation. ### Suggested Solution To resolve this issue, uninstall the Whatfix Preview Extension and then reinstall it. For more information on installing the preview extension, see: - [Install and use the Whatfix Preview extension in Google Chrome](/studio/docs/how-to-install-the-whatfix-developer-extension-in-google-chrome) - [Install Whatfix Preview extension using Whatfix Studio](/studio/docs/install-whatfix-preview-extension-using-whatfix-studio) > [!WARNING] > Your title goes here > > If the issue persists, contact [support@whatfix.com](mailto:support@whatfix.com?subject=Unable%20to%20install%20the%20preview%20extension&body=Hi%20team%2C%0AI%20am%20unable%20to%20install%20the%20preview%20extension.%20Kindly%20help.%0AThanks%20and%20Regards%2C). ## Related - [Overview of Whatfix Studio](/what-has-changed-on-studio.md)