To disable the purple alert box in Ghostery Firefox browser extension that appears in the right lower corner
Go to My Ghostery
Uncheck the option Show the purple box tracker list in the corner of my browser
Firefox Error code: sec_error_ca_cert_invalid
Firefox Error code: sec_error_reused_issuer_and_serial
The correct way to solve is to regenerate a new certificate on the device you’re connecting to.
Or to update the firmware of this device.
If it is not possible, enter in this folder and delete these two files
Restart Firefox. Try again and if it doesn’t solve, remove all the certificates on Firefox options.
You may also want to install this extension Skip Cert Error. Access the page and don’t do anything when Firefox asks you what to do with the certificate. It will skip the confirmation for self-generated certificates. Valuable for the IT professionals. Since you won’t be adding the certificate permanently, this error won’t show again. Remember to check the option “has domain mismatch”
You can also check if this applies to your situation Firefox Error code: sec_error_ca_cert_invalid
Error code: sec_error_reused_issuer_and_serial
Bug 435013 – Cert error “sec_error_reused_issuer_and_serial” (e.g. for Linksys devices) cannot be overridden
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