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After recent upgrade Mozilla will open but does not connect - I have Norton Antivirus.

Kuphostiwe

After recent upgrade Mozilla will open but does not connect. I have uninstall/reinstalled several times. I have NortonAntivirus.

After recent upgrade Mozilla will open but does not connect. I have uninstall/reinstalled several times. I have NortonAntivirus.

Eminye Imininingwane Yohlelo

Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; InfoPath.3; rv:11.0) like Gecko

Eminye Imininingwane

Jon Gregory 30 izisombululo 242 izimpendulo
Kuphostiwe

Does your internet provider use a proxy? Try checking out this Page

Does your internet provider use a proxy? Try checking out this [https://support.mozilla.org/en-US/kb/advanced-panel-accessibility-browsing-network-upda#w_connection-settings-dialog Page]
cor-el
  • Top 10 Contributor
  • Moderator
17530 izisombululo 158508 izimpendulo
Kuphostiwe

It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.

Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full, unrestricted, access to install for Firefox and the plugin-container process and the updater process.

See:


Do a malware check with several malware scanning programs on the Windows computer. Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure that you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.

See also:

It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program. Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full, unrestricted, access to install for Firefox and the plugin-container process and the updater process. See: *https://support.mozilla.org/kb/Server+not+found *https://support.mozilla.org/kb/Firewalls *https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating ---- Do a malware check with several malware scanning programs on the Windows computer. Please scan with all programs because each program detects different malware. All these programs have free versions. Make sure that you update each program to get the latest version of their databases before doing a scan. *Malwarebytes' Anti-Malware:<br>http://www.malwarebytes.org/mbam.php *AdwCleaner:<br>http://www.bleepingcomputer.com/download/adwcleaner/<br>http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml *SuperAntispyware:<br>http://www.superantispyware.com/ *Microsoft Safety Scanner:<br>http://www.microsoft.com/security/scanner/en-us/default.aspx *Windows Defender:<br>http://windows.microsoft.com/en-us/windows/using-defender *Spybot Search & Destroy:<br>http://www.safer-networking.org/en/index.html *Kasperky Free Security Scan:<br>http://www.kaspersky.com/security-scan You can also do a check for a rootkit infection with TDSSKiller. *Anti-rootkit utility TDSSKiller:<br>http://support.kaspersky.com/5350?el=88446 See also: *"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked *https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware
FredMcD
  • Top 10 Contributor
4256 izisombululo 59602 izimpendulo
Kuphostiwe

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select Network. Look for Configure How Firefox Connects and press the Settings button. Check the settings.

Type '''about:preferences#advanced'''<Enter> in the address bar. Under '''Advanced,''' Select '''Network.''' Look for '''Configure How Firefox Connects''' and press the '''Settings''' button. Check the settings.

Umnikazi wombuzo

Tried ":about:preferences#advanced"....the 'Use system proxy settings' was selected.... and now what?


We have Norton IS...none of the articles discussed Norton.

Tried ":about:preferences#advanced"....the 'Use system proxy settings' was selected.... and now what? ------------------------- We have Norton IS...none of the articles discussed Norton.
FredMcD
  • Top 10 Contributor
4256 izisombululo 59602 izimpendulo
Kuphostiwe

johngracebw said

Tried ":about:preferences#advanced"....the 'Use system proxy settings' was selected.... and now what?

Unless you are using a proxy, this should be None.

We have Norton IS...none of the articles discussed Norton.

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.

''johngracebw [[#answer-691463|said]]'' <blockquote> Tried ":about:preferences#advanced"....the 'Use system proxy settings' was selected.... and now what? </blockquote> Unless you are using a proxy, this should be '''None.''' <blockquote> We have Norton IS...none of the articles discussed Norton. </blockquote> Some added toolbar and anti-virus add-ons are known to cause Firefox issues. '''Disable All of them.'''