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Avast Internet module and Firefox for mac 88.0.1

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Subject: Avast Internet module and Firefox for mac 88.0.1

Dear Mozilla volunteer,

I need your help. I have just purchased AVAST Ultimate and I am having problems with my beloved Firefox browser. The message I receive is:

"Secure Connection Failed

An error occurred during a connection to www.facebook.com. Peer’s certificate has an invalid signature.

Error code: SEC_ERROR_BAD_SIGNATURE

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem."

This happens with any site, even with the Mozzila site. I am now using Safari, but I am a firefox person so, please, help me.

Thank you in advance.

Ana Baptista

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