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Today i start having a problem with mozilla.

When i have ssl/tls enabled i have SEC_ERROR_BAD_SIGNATURE problems.

I enabled and disabled ssl/tls and also i unistalled  eset antivirus and the i reinstalled but it dont fix it.

What else i can try?

Or it is a bad definition update from eset?

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There must have been something wrong with the certificate store I assume. Should you come across such issue again, with Firefox not running delete C:\Users\%user%\AppData\Roaming\Mozilla\Firefox\Profiles\%profilename%\cert8.db. Then disable SSL/TLS filtering in ESET, click ok and re-enable it so that the ESET root certificate is imported into the certificate store. After launching Firefox make sure that https websites open alright and that the eicar test file is detected upon downloading it from an https link: https://secure.eicar.org/eicar_com.zip.

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This happens to me on Firefox & Thunderbird whenever there is an ESET NOD32 software update.

The solution (same as Marcos wrote above) is detailed on Mozilla's support page:


Edited by threepwood
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