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dropping dns

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Hello: I really need your assistance...I seem to have a problem connecting to the internet with Firefox...The system says that the DNS server is not available...Believe me, I have tried every suggestion I can find...I have reset the DNS address with several alternate addresses, cleared caches, refreshed Firefox and so on...When the system does connect, it displays the homepage but then drops again...My internet connection is working fine (I am using it now on my laptop)...Can anyone advise something I can do? Thanks very much....

Hello: I really need your assistance...I seem to have a problem connecting to the internet with Firefox...The system says that the DNS server is not available...Believe me, I have tried every suggestion I can find...I have reset the DNS address with several alternate addresses, cleared caches, refreshed Firefox and so on...When the system does connect, it displays the homepage but then drops again...My internet connection is working fine (I am using it now on my laptop)...Can anyone advise something I can do? Thanks very much....

Chosen solution

I believe the problem was my Avast free antivirus...Deleted it and things are back to normal! Can you recommend an anti-virus that does not mess with Firefox? Thank you so much for your help!

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Additional System Details

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  • User Agent: Mozilla/5.0 (X11; CrOS x86_64 11316.165.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.122 Safari/537.36

More Information

FredMcD
  • Top 10 Contributor
4247 solutions 59408 answers

Helpful Reply

Let's do this one step at a time.

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again;

  • Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
  • Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see

Configure firewalls so that Firefox can access the Internet. {web link}

Let's do this one step at a time. Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted. Now how to fix the problem: To allow Firefox to connect to the Internet again; * Make sure your Internet security software is up-to-date (i.e. you are running the latest version). * Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see '''[https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet.]''' {web link}
FredMcD
  • Top 10 Contributor
4247 solutions 59408 answers
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 [https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors?redirectlocale=en-US&redirectslug=Error+loading+web+sites Websites don't load - troubleshoot and fix error messages] http://kb.mozillazine.org/Error_loading_websites [https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean What do the security warning codes mean]
FredMcD
  • Top 10 Contributor
4247 solutions 59408 answers

Helpful Reply

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

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

Start your '''Computer''' in safe mode with network support. Then start Firefox. Try '''Secure''' websites. Is the problem still there? http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

Chosen Solution

I believe the problem was my Avast free antivirus...Deleted it and things are back to normal! Can you recommend an anti-virus that does not mess with Firefox? Thank you so much for your help!

I believe the problem was my Avast free antivirus...Deleted it and things are back to normal! Can you recommend an anti-virus that does not mess with Firefox? Thank you so much for your help!
FredMcD
  • Top 10 Contributor
4247 solutions 59408 answers

That was very good work. Well done. Please flag your last post as Solved Problem so others will know.

Many use Avast. Contact their support.

That was very good work. Well done. Please flag your last post as '''Solved Problem''' so others will know. Many use Avast. Contact their support.