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Icarus

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    PR_CONNECT_RESET_ERROR in Firefox v.91

    in Kaspersky Anti-Virus

    Posted

     

    I switched to the Mozilla certificate store. Still not working. Double checked I did the steps right and it seems I did but not working :(

     

    Also, I checked our computer downstairs and it has Firefox on it too, but it is working fine. But it’s on FF v.89.0.2 and Win10 20H2. I updated it to FF v.91.0 and it works fine...

    PR_CONNECT_RESET_ERROR in Firefox v.91

    in Kaspersky Anti-Virus

    Posted

    1. Sorry I don’t see anything to do with certificates. 
    2. I was running Windows 21H2 but today it said there was an update that looks to be 21H1 (which I think I skipped when it came out.) It now says I’m running 21H1, so don’t know whats up with that…

    Edition    Windows 10 Pro

    Version    21H1
    Installed on    ‎8/‎11/‎2021
    OS build    19043.1165
    Experience    Windows Feature Experience Pack 120.2212.3530.0
     

     

    PR_CONNECT_RESET_ERROR in Firefox v.91

    in Kaspersky Anti-Virus

    Posted

    Hello @Icarus, 

    Welcome back!

    1. Does the machine have the Windows, August 10 patches?
    2. When KAV was uninstalled, did you save License information only, leaving all other check boxes blank? 
    3. Has KAV been reset to Default? 
    4. Were the uninstall of KAV & Firefox separated by a full shutdown? 
    5. In Firefox, on any site that has PR_CONNECT_RESET_ERROR, may we have a full screen image of the issue & screen prints of the certificate General tab & Certification path please? 
    6.  
    7. Which Firewall is used? 
    8. Have you read the Mozilla articles: PR_CONNECT_RESET_ERROR ? 

    Please let us know? 

    Thank you🙏

    Flood🐳+🐋

    1. What update is that?
    2. Need to check/redo
    3. Not sure, was just uninstalled, full restart and reinstalled so probably not. 
    4. Not that I’m aware of, not sure how.
    5. I don’t see any padlock to get certificate info. 
    6.  ?
    7. Microsoft Firewall.
    8. Yes, no help, tried some things and settings.

    PR_CONNECT_RESET_ERROR in Firefox v.91

    in Kaspersky Anti-Virus

    Posted

    1. I don’t recall. I will redo it and let you know. 
    2. Not the I know of.
    3. Yes, both were done separately as I wasn’t sure which was causing the issue. I did a full shutdown and restart between each.
    4. Not sure how to get the screen shots of certificates (where are they?)
    5.  Windows Firewall.
    6. Yes, I’ve read through those and tried a bunch of settings/things mentioned. It’s only Firefox that does it with or without extensions.

    PR_CONNECT_RESET_ERROR in Firefox v.91

    in Kaspersky Anti-Virus

    Posted

    Today Kaspersky AntiVirus 21.3.10.391e updated as usual, then a Windows 10 pro update (21H1 I think, though I already had 21H2) installed, and now I can’t connect to any websites on Firefox v.91.0. It works on Microsoft Edge fine. With Firefox I just get the following message for any website I try:

     

    Secure Connection Failed

    An error occurred during a connection to click.kaspersky.com. PR_CONNECT_RESET_ERROR

        The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
        Please contact the website owners to inform them of this problem.

     

    Any ideas how to fix this please? I’ve tried reinstalling Firefox and Kaspersky AV to no avail, tried clearing browser cache and resetting it, reset modem and router and a few others things I don’t remember. If I disable Kaspersky, then Firefox works properly. 

    Thanks if anyone can help.

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