Perform this procedure if you want to submit feedback to the Cortex Help Center and Gmail doesn't open in your Google Chrome browser.
If you are logged in to Gmail, sign out.
On the top-right of your Google Chrome browser, check your sign in status. If you are signed in, you must sign out.
Open a new tab in Google Chrome.
In the address bar, type
On the Protocol handlers page, do the following:
Under, select .
Under mail.google.com if it is listed., remove
Open another tab and log in to Gmail.
Click Service handler.
Select, and then click .
Go back to the Protocol handlers page, and check thatis now the default email.