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crashes and weird messages from firefox

ran ern

i woke up after doozing watching a yt video and on my pc i couldn't oppen firefox and it kept crashing so i just booted my pc again

After that i could open firefox but it had a yellow simbol on the three dot setting sections that stated "new tab has downloaded a new component"

i searched online and they said it could be an hijacker i refreshed firefox and run an anlysis with the base windows antivirus

the antivirus say's i'm clean but i still kinda unsure:

   was it really an infection? i ask myself if it could be just a firefox bug i checked extention before refreshing and the only one was 7tv and nothing else
   if it was an hijacker how can i fully know if i'm clean? what better steps can i take?
i woke up after doozing watching a yt video and on my pc i couldn't oppen firefox and it kept crashing so i just booted my pc again After that i could open firefox but it had a yellow simbol on the three dot setting sections that stated "new tab has downloaded a new component" i searched online and they said it could be an hijacker i refreshed firefox and run an anlysis with the base windows antivirus the antivirus say's i'm clean but i still kinda unsure: was it really an infection? i ask myself if it could be just a firefox bug i checked extention before refreshing and the only one was 7tv and nothing else if it was an hijacker how can i fully know if i'm clean? what better steps can i take?

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