Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

ค้นหาฝ่ายสนับสนุน

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.

เรียนรู้เพิ่มเติม

On WinXP FF 43.0.1 runs OK, but the current version (48.0.1) runs very slowly.

  • 3 การตอบกลับ
  • 2 คนมีปัญหานี้
  • 5 ครั้งที่ดู
  • ตอบกลับล่าสุดโดย the-edmeister

more options

FF 48.0.1 is running very slowly on my Windows XP service pack 3 PC.

I did a FF Refresh but no change.

I then uninstalled FF and installed version 43.0.1 (with no added add-ons) and it ran OK. But when I upgraded to the current version (48.0.1) (still with no added add-ons) it runs very slowly. And it fully uses one core of my 2 core CPU when I attempt to do anything using FF, even when accessing the drop-down menus (there were even pauses when I was typing in the details of this question). Since nothing was done between the install of version 43.0.1 and the upgrade to version 48.0.1, the issue points to the new version of FF.

Is this something that can be fixed, or should I go to an earlier version of FF. If I need to go to an earlier version of FF, what is the latest version I should try (beyond 43.0.1) and where do I obtain it?

FF 48.0.1 is running very slowly on my Windows XP service pack 3 PC. I did a FF Refresh but no change. I then uninstalled FF and installed version 43.0.1 (with no added add-ons) and it ran OK. But when I upgraded to the current version (48.0.1) (still with no added add-ons) it runs very slowly. And it fully uses one core of my 2 core CPU when I attempt to do anything using FF, even when accessing the drop-down menus (there were even pauses when I was typing in the details of this question). Since nothing was done between the install of version 43.0.1 and the upgrade to version 48.0.1, the issue points to the new version of FF. Is this something that can be fixed, or should I go to an earlier version of FF. If I need to go to an earlier version of FF, what is the latest version I should try (beyond 43.0.1) and where do I obtain it?

การตอบกลับทั้งหมด (3)

more options

I would recommend trying the Firefox 45 ESR (Extended Support Release) version, and see if it will install.

https://www.mozilla.org/en-US/firefox/organizations/faq/ Get the full off-line installer here: https://www.mozilla.org/en-US/firefox/organizations/all/

more options

I tried FF 45 ESR (45.3.0) on Windows XP and it did install and works (much faster than the latest mainstream version). From the Mozilla Firefox ESR life cycle diagram it appears that there will be support until at least 45.8.0 (2017Q1).

Does this (ESR) support provide full security support as with the mainstream versions?

Will XP be supported in the ESR 52.x stream?

more options

Yes, the ESR version gets the same security fixes as the Release gets.