I am having an issue with Firefox
In the last week or so I am not able to log onto many of the websites I regularly use, including Mozilla sites. Each time this window I have copied below comes up. Can you tell me what to do. It is fine with Chrome and Explorer but I want to use Firefox but at the moment can't. Please help.
"Your connection is not secure The owner of qsurvey.mozilla.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. Learn more…
Report errors like this to help Mozilla identify and block malicious sites"
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uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. (Note: this should be run weekly, if never done below before will be 10's if gigs) Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. But you should make a back up before you do : https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
Reinstall with Current Release Firefox 57.0.2 with a Full Version Installer https://www.mozilla.org/firefox/all/
Please let us know if this solved your issue or if need further assistance.
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.
- uses an invalid security certificate SSL_ERROR_BAD_CERT_DOMAIN
- configured their website improperly
How to troubleshoot the error code "SEC_ERROR_UNKNOWN_ISSUER" on secure websites
https://support.mozilla.org/en-US/kb/troubleshoot-SEC_ERROR_UNKNOWN_ISSUER
