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Internet connection works but Firefox does not load pages

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Internet connection works on Win7 desktop (Windows updates, Google Earth works etc) but Firefox & IE do not load web pages. Laptop (Vista) that uses same router runs Firefox just fine.

Have run various AV software like Malwarebytes etc with no problems found. Did re-install of Win 7 Tried these solutions https://www.youtube.com/watch?v=JK7oYj2YPNQ http://en.kioskea.net/forum/affich-19117-internet-connected-but-can-t-browse and other similar. Am sending from laptop as WIn7 PC does not allow me to connect and use Troubleshooting software

Internet connection works on Win7 desktop (Windows updates, Google Earth works etc) but Firefox & IE do not load web pages. Laptop (Vista) that uses same router runs Firefox just fine. Have run various AV software like Malwarebytes etc with no problems found. Did re-install of Win 7 Tried these solutions https://www.youtube.com/watch?v=JK7oYj2YPNQ http://en.kioskea.net/forum/affich-19117-internet-connected-but-can-t-browse and other similar. Am sending from laptop as WIn7 PC does not allow me to connect and use Troubleshooting software

Chosen solution

Thanks for reply but I found the solution. Many forum answers suggest changing Network settings but that doesn't work either. The combination that did solve the problem was to run "SuperAntiSpyware" which found virus, that Norton did not block. AND to uninstall and reinstall my copy of Norton 360.

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Additional System Details

Installed Plug-ins

  • Shockwave Flash 15.0 r0
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.12
  • VLC media player Web Plugin 2.1.3
  • Citrix Online App Detector Plugin
  • Google Update
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • Version 5.4.2.18903
  • 5.1.30514.0
  • Picasa plugin
  • Adobe Shockwave for Director Netscape plug-in, version 12.0.7.148
  • GEPlugin
  • RealPlayer(tm) LiveConnect-Enabled Plug-In
  • RealPlayer Download Plugin
  • RealNetworks(tm) RealDownloader Chrome Background Extension Plug-In
  • RealNetworks(tm) RealDownloader PepperFlashVideoShim Plug-In
  • RealNetworks(tm) RealDownloader HTML5VideoShim Plug-In
  • RealDownloader Plugin
  • Adobe Shockwave for Director Netscape plug-in, version 12.0.2.122
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.0; rv:32.0) Gecko/20100101 Firefox/32.0

More Information

FredMcD
  • Top 10 Contributor
3645 solutions 50007 answers

There are two things to check

Some problems occurs 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}

There are two things to check Some problems occurs 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
3645 solutions 50007 answers

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

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

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

Chosen Solution

Thanks for reply but I found the solution. Many forum answers suggest changing Network settings but that doesn't work either. The combination that did solve the problem was to run "SuperAntiSpyware" which found virus, that Norton did not block. AND to uninstall and reinstall my copy of Norton 360.

Thanks for reply but I found the solution. Many forum answers suggest changing Network settings but that doesn't work either. The combination that did solve the problem was to run "SuperAntiSpyware" which found virus, that Norton did not block. AND to uninstall and reinstall my copy of Norton 360.
FredMcD
  • Top 10 Contributor
3645 solutions 50007 answers

Most anti-virus can't detect mal-ware. Use these once in a while


Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.

You can try these free programs to scan for malware, which work with your existing antivirus software:

Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.

Further information can be found in the Troubleshoot Firefox issues caused by malware article.

Did this fix your problems? Please report back to us!

Most anti-virus can't detect mal-ware. Use these once in a while Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of. You can try these free programs to scan for malware, which work with your existing antivirus software: * [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner] * [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware] * [http://support.kaspersky.com/viruses/disinfection/5350 Anti-Rootkit Utility - TDSSKiller] * [http://general-changelog-team.fr/en/downloads/viewdownload/20-outils-de-xplode/2-adwcleaner AdwCleaner] (for more info, see this [http://www.bleepingcomputer.com/download/adwcleaner/ alternate AdwCleaner download page]) * [http://www.surfright.nl/en/hitmanpro/ Hitman Pro] * [http://www.eset.com/us/online-scanner/ ESET Online Scanner] [http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Did this fix your problems? Please report back to us!
FredMcD
  • Top 10 Contributor
3645 solutions 50007 answers

Please flag your last post as Solved Problem so other will know.

Please flag your last post as '''Solved Problem''' so other will know.