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How do I block CALACOM Null Net site which loads opening Firefox??

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  • Last reply by Shadow110

Grant
Grant
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I have: Windows 7 Ultimate Firefox 57.0.0.6525 Avira Pro Antivirus 15.0.32.12 Avira Browser Safety 1.4.5.509

Yesterday, I downloaded Firefox Quantum and tried twice to install it but failed. Don't know why?

Today I tried to block CALACOM, a "Topic Related" Null site which had taken over the opening screen (as a tab) of Firefox. But this did not remove nor block CALACOM. I could not opt out of CALACOM. It reappears every time I open a new tab.

I have already checked and found that my Firefox opening screen has no other http sites to delete following Firefox. My opening screen target is "C:\Program Files (x86)\Mozilla Firefox\firefox.exe". I scanned my computer with Avira Pro, but it found nothing negative to isolate or report

I notice complaints from other people having the same problem with the same Null site, i.e. CALACOM

Please help if you can. Grant

I have: Windows 7 Ultimate Firefox 57.0.0.6525 Avira Pro Antivirus 15.0.32.12 Avira Browser Safety 1.4.5.509 Yesterday, I downloaded Firefox Quantum and tried twice to install it but failed. Don't know why? Today I tried to block CALACOM, a "Topic Related" Null site which had taken over the opening screen (as a tab) of Firefox. But this did not remove nor block CALACOM. I could not opt out of CALACOM. It reappears every time I open a new tab. I have already checked and found that my Firefox opening screen has no other http sites to delete following Firefox. My opening screen target is "C:\Program Files (x86)\Mozilla Firefox\firefox.exe". I scanned my computer with Avira Pro, but it found nothing negative to isolate or report I notice complaints from other people having the same problem with the same Null site, i.e. CALACOM Please help if you can. Grant

All Replies (2)

FredMcD
FredMcD
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Grant_ said

It reappears every time I open a new tab.

New tab or new window?

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

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

Shadow110
Shadow110
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Can also check for malware :

Please use more than 1 scanner as each uses diff tech : https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Save your Report and google each before deleting anything as do not want to delete something you need, If need help : https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/ Post in only 1 forum, then wait.

Please let us know if this solved your issue or if need further assistance.