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Can't upgrade from 52.3.0 (64-bit) to latest Thunderbird for Mac

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  • Last reply by balpert1

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When I try to upgrade Thunderbird 52.3.0 on my Mac to 52.4.0 I receive a message that can't upgrade "You don’t have the permissions necessary to install this update. Please contact your system administrator." I am using OSX 10.9.5 on my desktop Mac

When I try to upgrade Thunderbird 52.3.0 on my Mac to 52.4.0 I receive a message that can't upgrade "You don’t have the permissions necessary to install this update. Please contact your system administrator." I am using OSX 10.9.5 on my desktop Mac

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Thanks. I tried this yesterday but it didn't work. After reading your post I tried it again and after removing the old version from my dock and replacing it with the new it worked.