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firefox is useless - says EVERY site has bad certificate - even MOZILLA will not load

  • 2 个回答
  • 3 人有此问题
  • 1 次查看
  • 最后回复者为 FredMcD

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The owner of mozilla.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

The owner of www.google.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

The owner of www.msn.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

The owner of mozilla.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. The owner of www.google.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. The owner of www.msn.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

被采纳的解决方案

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites


  • 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

定位到答案原位置 👍 0

所有回复 (2)

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Hi, sounds like some corruption in a file. Please : uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files , C:\Program Files(x86) & C:\ProgramData Then restart system. Then run Windows Disk Cleanup. (Note: This should be Pinned and run Weekly, If never done below expect 10's of gig's) 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 :

Reinstall with Current Release Firefox 59.0.2 with a Full Version Installer

Please let us know if this solved your issue or if need further assistance.

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选择的解决方案

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites


  • 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