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Firefox 19 Windows 8 64 Bit Slow

  • 2 replies
  • 58 have this problem
  • Last reply by ihotep

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Firefox works okay but I notice it slow down an lag. When I go on Pandora an play music it'll work fine but once I start opening other tabs it will start lagging the music. This doesn't happen on Internet Explorer. If I play a video YouTube in HD I sometimes have to let it load all the way up or it'll start lagging. I have none of these issues on Internet Explorer. What can I do to fix this?

All Replies (2)

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Check in safe mode

  • update your Firefox and Plugins.
  • Remove unwanted extensions.

Check here

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I would firstly suggest to scan Your PC for malware. They might inject code into browser, so maybe that's the reason