NOTE: If you are looking to install the Conversation Thread Reversal for Gmail Chrome extension, please read Getting Started with Conversation Thread Reversal for Gmail.
If you see an upgrade message when you start Gmail, it means you need to upgrade or turn off Conversation Thread Reversal for Gmail.
To remove the upgrade message at the start of Gmail, you have two choices:
- Upgrade Conversation Thread Reversal for Gmail: To upgrade, go to this page: Upgrade Conversation Thread Reversal for Gmail
- Disable (turn off) Conversation Thread Reversal for Gmail: You can also turn off Conversation Thread Reversal for Gmail in your Gmail account. To do this, follow the steps on this support page: How to disable Conversation Thread Reversal for Gmail by cloudHQ