I don't know if avast added one, or took one away or something, and whether this is thr right configuration to have. The solution, obtained on an Avast forum thread but modified by me to reflect what I had to do to resolve this issue, is noted below. I've import it everywhere: keytool -import -alias mail. Now, I think I may finally have secure email. I downloaded currports from nirsoft to see which processes are establishing connections.
Aura post 2 Thanks, but I found some of those a bit confusing. Uninstalled Avast free then reinstalled it. I really wish avast would have a way to show you which process is requesting that certificate specifically. This should create a file tcp. Now you should see original site certificate in both Mozilla Firefox 66. Sometimes Thunderbird detects that Avast! I have been having an ongoing problem that started appearing a few months ago. Was http scanning fully switched off or was it replaced by these other methods described in.
For Details see or over at security. SunCertPathBuilderException: unable to find valid certification path to requested target My code snippet:. To M-J-K: Https scanning was deactivated only in Firefox and only for a certain time. In Windows, go to Run dialogue and run this: certmgr. Finally works without turning off Web Shield.
Ok, I've logged on again today. Mail seems to come in whether or not I approve the suggested incorrect certificate credentials to be saved permanently. Mail Scanner Root certificate and delete remove it. Oh, and for additional comedy value — avast! I tested by temporarily disbaling avast's web and mail shields and opening firefox again, that time it went to google. The I updated both of them to the latest state, restarted and logged back on. I have also uninstalled avast once to install eset's antivirus once to run it's antivirus engine with fruitless results, too. It seems your local Virus Protection is.
I can try to find the thread where it was posted, make you run that utility and if no malicious ones are detected, then at least you'll know that on this side, you're clean. Can I post lists of the ones in firefox and on the compuer as a whole here, would people be able to recognise which should and shouldn't be there? In fact, I believe avast! I'll be back tomorrow, it's really late here now. If you need to adjust the Application Rule avast! After some search I came across this: mail. They are helpful but they still leave me unsure as to whether my certificates both in the browser and across the rest of the system are in the right state now or not. Btw, if a program tells you that a different program isn't properly configured you should take this information with a large grain of salt.
They require an initial acceptance of the security exception, but the popup does not reappear again. But usually its not an intermittent error - it either works okay all the time or it always reports a security error which you workaround via a security exception. Trying to access even the known secure sites like Google and Yahoo showed me expired or invalid certificate errors. What needs to be done? The same behavior change happened after this Avast update on two different Windows 10 machines. If it is stuck at connecting, close and reopen Thunderbird. I am only using the mail services of hotmail, gmail and yahoo mail through Thunderbird.
SunCertPathBuilderException: unable to find valid certification path to requested target. With the outcome of both having firefox work properly and having avast's web shield mail shield would be helpful also but I'm not sure if it's relevant to me, I do all my mail through gmail accessed through either browser running. Refer to the sections in this article for instructions on how to stop warnings about invalid mail server certificates, export the Mail Shield certificate and import it into your email client's certificate store. Leave Thunderbird open not sure if this step is needed 5. I would think Avast would be interested in finding a solution to this known issue, but they haven't resolved it yet.
If you have any problems configuring your version of avast! This happens very often, but not all of the time. There is a similar thread at. Unlike comparisons to known virus signatures, heuristics are just probabilistic estimates of the likelihood that a file may harbor a new unknown virus. Now should be enabled and fully working. I even followed Avast instructions to import certificates. Immediately after the system imaging firefox worked fine, and immediately after avast's installation avast worked fine too.