Avast on line security diasabled when using Firefox

General Topics
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That are telling me it is because it is not “signed”. How can I fix this?
Thnx!

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Please (re)search before posting.

https://forum.avast.com/index.php?topic=180835.msg1279276#msg1279276
https://forum.avast.com/index.php?topic=180519.msg1278625#msg1278625

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