Recent answers to I am getting a "Performing a tls handshake" when I'm trying to view a webpage. How can I fix this?https://support.mozilla.org/ga-IE/questions/12391122018-11-05T10:48:37-08:00dutchjim said
Avast told me to repair and update Avast security in the Control Panel. I did that2018-11-05T10:48:37-08:00Pj_FFhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1170147<p><em>dutchjim <a href="#answer-1170083" rel="nofollow">said</a></em>
</p>
<blockquote>
<ul><li> Avast told me to repair and <em><strong>update Avast security in the Control Panel.</strong></em> I did that, then re-started my computer.
</li></ul>
<ul><li> I then enabled HTTPS scanning in Avast. It seems to work now.
</li><li> I can view webpages without getting the 'performing a TLS handshake' and then getting the message 'secure connection failed'.
</li></ul>
<ul><li> I posted a picture of the Avast settings, with some notes on how I got to the main settings window.
</li></ul>
<ul><li> Thank you Pj.
</li></ul>
</blockquote>
<p>So, your Avast was out-of-date and/or you had to '<strong>Repair'</strong> Avast?
</p><p>~Pj
</p>That was very good work. Well done.
Please flag your last post as Solved Problem so others will know2018-11-05T05:19:45-08:00fredmcd-hotmailhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1170096<p>That was very good work. Well done.
Please flag your last post as <strong>Solved Problem</strong> so others will know.
</p>Avast told me to repair and update Avast security in the Control Panel.
I did that, then re-started2018-11-05T04:25:30-08:00dutchjimhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1170083<p>Avast told me to repair and update Avast security in the Control Panel.
I did that, then re-started my computer.
I then enabled HTTPS scanning in Avast.
It seems to work now.
I can view webpages without getting the 'performing a tls handshake' and then getting the message 'secure connection failed'.
I posted a picture of the Avast settings, with some notes on how I got to the main settings window.
Thank you pj.
</p>Yes, I have the latest version of Avast.
I sent a message to Avast technical support explaining the2018-11-03T03:53:38-07:00dutchjimhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1169577<p>Yes, I have the latest version of Avast.
</p><p>I sent a message to Avast technical support explaining the problem and the fact that I disabled HTTPS Scanning.
</p><p>Abbreviated message to Avast: "Since Avast doesn’t recommend leaving HTTPS un-scanned, can you offer me a solution to this?"
</p><p>I am waiting to see what they say.
</p><p>Thank you for the information you provided.
</p>dutchjim said
I have Avast security software installed.
I followed the instructions under:
“Tr2018-11-02T12:13:05-07:00Pj_FFhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1169395<p><em>dutchjim <a href="#answer-1169270" rel="nofollow">said</a></em>
</p>
<blockquote>
I have Avast security software installed.
I followed the instructions under:
“Troubleshoot the Secure Connection Failed error message
Security software conflict
AVAST and AVG security products.”
I went into the Avast settings, then into Components. On Customize, I <strong>unchecked</strong> the <strong>Enable HTTPS Scanning</strong>. It worked. I can now view webpages again almost instantaneously.
Thank you for your help.
</blockquote>
<p>Avast fixed that a while back. Are you running the latest Avast? Avast does not recommend leaving HTTPS un-scanned.
</p><p><br>
~ Pj
</p>Glad to help. Safe Surfing.
2018-11-02T05:08:30-07:00fredmcd-hotmailhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1169301<p>Glad to help. Safe Surfing.
</p>I have Avast security software installed.
I followed the instructions under:
“Troubleshoot the Sec2018-11-02T02:57:25-07:00dutchjimhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1169270<p>I have Avast security software installed.
I followed the instructions under:
“Troubleshoot the Secure Connection Failed error message
Security software conflict
AVAST and AVG security products”
I went into the Avast settings, then into Components.
On Customize, I unchecked the ‘Enable HTTPS Scanning’.
It worked. I can now view webpages again almost instantaneously.
Thank you for your help.
</p>There is security software like Avast, Kaspersky,
BitDefender and ESET that intercept secure
connect2018-11-01T15:27:26-07:00fredmcd-hotmailhttps://support.mozilla.org/ga-IE/questions/1239112#answer-1169154<p>There is security software like Avast, Kaspersky,
BitDefender and ESET that intercept secure
connection certificates and send their own.
</p><p><a href="https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can" rel="nofollow">https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can</a>
</p><p><a href="https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites" rel="nofollow">https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites</a>
</p><p><a href="https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message" rel="nofollow">https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message</a>
</p><p><a href="https://support.mozilla.org/en-US/kb/connection-untrusted-error-message" rel="nofollow">https://support.mozilla.org/en-US/kb/connection-untrusted-error-message</a>
</p><p><a href="https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors?redirectlocale=en-US&amp;redirectslug=Error+loading+web+sites" rel="nofollow">Websites don't load - troubleshoot and fix error messages</a>
</p><p><a href="http://kb.mozillazine.org/Error_loading_websites" rel="nofollow">http://kb.mozillazine.org/Error_loading_websites</a>
</p><p><br>
<a href="http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html" rel="nofollow">http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html</a>
</p>