Start Firefox using Troubleshoot(Safe) Mode {web link}

A small dialog should appear. Click Start In Troubleshoot(Safe) Mode (not Refresh). Is the problem still there?

No dialog box appears. I have however gone into the burger menu and selected 'Start in troubleshoot (Safe) Mode'. I've done this 2 days in a row now. I know it is not my Internet because I am using Chrome for my work Gmail and all GDocs and haven't had a single issue. I just like to use Firefox for my personal stuff... but it is becoming more of a hack than useful.

I have just got a new laptop. Firefox was slow on my last laptop and often crashed, but it worked at least 50% of the day. This new laptop is much quicker, so not sure why it would be worse off.

Start your Computer in safe mode with network support. Then start Firefox. Try Secure websites. Is the problem still there?

Starting Any Computer In Safe Mode (web link) Free Online Encyclopedia

If the problem goes away with the computer in Safe Mode, the problem is with one of the other programs on the system.

As a test, disable your protection programs.

Hi,

I am now getting the attached message.

Please provide a public link (no password) that we can check out. No Personal Information Please !

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

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

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean

Thank you! Not sure which one of your solutions worked.. because I tried most of them.. but problem seems to be resolved!

THANK YOU!

Glad to help. Safe Surfing.