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removing the add-on mailcheck from Firefox and restoring the original default

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Halina Alicia KLIMKIEWICZ
Halina Alicia KLIMKIEWICZ
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Please help. How can I remove/deinstall/delete the MailCheck add-on from Firefox? THANK YOU!

Please help. How can I remove/deinstall/delete the MailCheck add-on from Firefox? THANK YOU!

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Paul
Paul
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Hi Halina

This support article should help:

https://support.mozilla.org/en-US/kb/disable-or-remove-add-ons