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Browser appears to have been taken over by something cassiopessa or something, Firefox did an update 12/23/15 and now I cannot access the net through Firefox

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  • Last reply by dhwnman

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I ran several scans blocked through lightbeam and since your update yesterday 12/23/15 firfox will no longer access the net yet explorer is ok What can be done?

I ran several scans blocked through lightbeam and since your update yesterday 12/23/15 firfox will no longer access the net yet explorer is ok What can be done?

All Replies (4)

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What is your computer system and Firefox?

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}

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See:


You can check in the the Windows Control Panel if you can find "NVIDIA Network Access Manager" or "NVIDIA ForceWare Network Access Manager" and uninstall this software.

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FredMcD said

What is your computer system and Firefox? 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}
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I on windows 7 the firefox version is 43.0.2