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Google authorisation popup does not appear when trying to add Gmail account to Thunderbird

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Pete Hutch
Pete Hutch

I am trying to add a Gmail account to Thunderbird. After clicking Continue from the configuration window, the system shows a 'Waiting for authorisation in login popup' window with a rotating circle, which eventually finishes and the window says 'Authentication error. Unable to log in at server. . . .'. As I understand it, the login popup window should be from Google asking me to confirm that it is OK for Thunderbird to connect to the Gmail server. It looks like that Google popup is being blocked. Does anyone have any suggestions as to how to get the Google permission popup to appear?

I am trying to add a Gmail account to Thunderbird. After clicking Continue from the configuration window, the system shows a 'Waiting for authorisation in login popup' window with a rotating circle, which eventually finishes and the window says 'Authentication error. Unable to log in at server. . . .'. As I understand it, the login popup window should be from Google asking me to confirm that it is OK for Thunderbird to connect to the Gmail server. It looks like that Google popup is being blocked. Does anyone have any suggestions as to how to get the Google permission popup to appear?

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