This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox 19 Windows 8 64 Bit Slow

  • 2 respostas
  • 58 have this problem
  • 11 views
  • Last reply by ihotep

more options

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?

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)

more options

Check in safe mode

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

Check here

more options

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