Clicker Communicator for Chromebook

Retired in January 2022.


Error: "License validation failed"

When launching the app, you receive the following error message:
Subscription status check failed. License validation failed.


The app is being blocked from connecting to our subscription server.

To resolve this problem, ask your IT Support to unblock on HTTPS (Port 443) and HTTP (Port 80).

About this article
November 27, 2017
Last revised
December 13, 2018
Applies to
  • Clicker Communicator for Chromebook
  • Clicker Connect for Chromebook
  • Clicker Docs for Chromebook
  • Clicker Sentences for Chromebook
  • DocsPlus for Chromebook
Product Name 
Clicker Communicator for Chromebook
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