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Thunderbird can't be opened after you install it on a Mac - How to fix
Revision 76983:
Revision 76983 by michro on
Revision 79302:
Revision 79302 by Tonnes on
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How to install Thunderbird on your Mac when you see this error: "Thunderbird can't be opened because the identity of the developer cannot be confirmed."
How to install Thunderbird on your Mac when you see this error: "Thunderbird can't be opened because the identity of the developer cannot be confirmed."
Content:
{for win, linux}{warning}This issue applies to Mac devices only.{/warning}{/for}
Apple has introduced a security change to Mac OS X 10.9.5 which causes the error message '''"Thunderbird" can't be opened because the identity of the developer cannot be confirmed''' to appear when you try to install Thunderbird on your Mac.
Here are some steps you can take if you see this message:
=Option 1 - Recommended=
# Hold down the {key Control} key while clicking on the Thunderbird file.
# Click {menu Open} in the context menu.
# Click {button Open} in the following dialog window.
=Option 2 - Open Thunderbird through the System Preferences=
# Click on the Apple icon at the top left corner of your screen and open {menu System Preferences…}.
# Click on {menu Security & Privacy}, then the {menu General} tab.
# You'll see a message stating that the ''Thunderbird'' was blocked. Click on {button Open Anyway}:<br><br>
#;[[Image:blocked thunderbird mac]]
{for win, linux}{warning}This issue applies to Mac devices only.{/warning}{/for}
Apple has introduced a security change to Mac OS X 10.9.5 which causes the error message '''"Thunderbird" can't be opened because the identity of the developer cannot be confirmed''' to appear when you try to install Thunderbird on your Mac.
Here are some steps you can take if you see this message:
=Option 1 - Recommended=
# Hold down the {key Control} key while clicking on the Thunderbird file.
# Click {menu Open} in the context menu.
# Click {button Open} in the following dialog window.
=Option 2 - Open Thunderbird through the System Preferences=
# Click on the Apple icon at the top left corner of your screen and open {menu System Preferences…}.
# Click on {menu Security & Privacy}, then the {menu General} tab.
# You'll see a message stating that ''Thunderbird'' was blocked. Click on {button Open Anyway}:<br><br>
#;[[Image:blocked thunderbird mac]]