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Updated FireFox to new version, when I tryed to reopen it wouldn't, I tried to redownload and AVG told me "Found MalSign.InstallC.566", won't down load.

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  • Last reply by James

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After updating FireFox and leaving the internet when I tried to reopen FireFox it would not. I removed fire fox from my computer and opened up the internet with Chrome, went to Mozilla and tried to reload FireFox. My AVG virus told me it found a threat: MalSine.InsallC.566. What is this, never had the problem before.

After updating FireFox and leaving the internet when I tried to reopen FireFox it would not. I removed fire fox from my computer and opened up the internet with Chrome, went to Mozilla and tried to reload FireFox. My AVG virus told me it found a threat: MalSine.InsallC.566. What is this, never had the problem before.

Chosen solution

ok, thanks for reporting back. can you try it with the full offline installer for your language/system that are available at https://www.mozilla.org/firefox/all/ instead?

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hello katy, please only download firefox from its official location at https://mozilla.org/firefox!

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I did go to mozilla's official site to down load, my AVG virus protection alerted this threat to me ( MalSine.InsallC.566 ) and it is the first time it has happen. Because of the name of this file I told AVG not to install this file and the Install discontinued. I tried to look this file up on the Internet and found nothing. I don't know weather to accept it.

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Chosen Solution

ok, thanks for reporting back. can you try it with the full offline installer for your language/system that are available at https://www.mozilla.org/firefox/all/ instead?

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Yes try the full setup as some antivirus may be fussy about the stub installer for Windows.