Since last FF update I can't sign out of Yahoo and when I close FF it tells me it has crashed.
Since last FF update I can't sign out of Yahoo and when I close FF it tells me it has crashed. When I try to sign out of Yahoo it comes up with: Secure Connection Failed
An error occurred during a connection to login.yahoo.com. You have received an invalid certificate. Please contact the server administrator or email correspondent and give them the following information: Your certificate contains the same serial number as another certificate issued by the certificate authority. Please get a new certificate containing a unique serial number. (Error code: sec_error_reused_issuer_and_serial)
The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the web site owners to inform them of this problem.
I have run CCleaner and cleared cookies. Uninstalled and reinstalled FF to no availe.
When I close FF a box comes up telling me it has crashed.
I can sign out of Yahoo in IE.
Выбранное решение
the benefit of this https scan feature is at least questionable. in order for it to work, avast has to perform a kind of man-in-the-middle "attack" in order to get to the content of the encrypted connection (firefox supports a feature called key pinning which can be used by websites to address such MITM attacks and which also seems to pick up AVAST's interference). when you download files over a https-connection, they will be scanned by your AV software once they land on your hard-disk anyway. on the other hand it should be the job of the browser to make it impossible to get infected by malicious software by just surfing around...
edit: please try to restart the browser again, it may take a new session for the change to take effect.
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hello somerstown, which anti virus software are you using?
Hi, I have AVAST Spywareblaster COMODO Firewall
No problem with IE or Opera, just FF.
hello, in case you are using AVAST 2015, please turn off HTTPS scanning within its settings (since this is known to cause the issues you have described).
Thanks Philipp, that seems to have cured the Yahoo problem, not shut FF yet to see how that is.
One concern though. Does not shutting of that scan lower my anti virus security?
Tried closing FF and still get the box saying it has crash come up.
Выбранное решение
the benefit of this https scan feature is at least questionable. in order for it to work, avast has to perform a kind of man-in-the-middle "attack" in order to get to the content of the encrypted connection (firefox supports a feature called key pinning which can be used by websites to address such MITM attacks and which also seems to pick up AVAST's interference). when you download files over a https-connection, they will be scanned by your AV software once they land on your hard-disk anyway. on the other hand it should be the job of the browser to make it impossible to get infected by malicious software by just surfing around...
edit: please try to restart the browser again, it may take a new session for the change to take effect.
Изменено philipp
Thank you again. That seems to have worked. The explanation is also helpful.