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 4x and 50 are very slow after 30 minutes. Downgrade to Firefox-Setup-33.1.1 > 43.0.1 is fast again depends not on RAM (WINXP SP3) Why so slow ?

  • No replies
  • 1 has this problem
more options

With every update Firefox became slower. Now I have installed an old version 33.1.1. To use the saved bookmarks I had to upgrade to version 43.0.1. Now it is fast again since 2 hours I have no more problems with the performance or hang ups. The Windows task manager shows 1,364 GB Ram (250 MB one minute after starting Firefox) in use > still no problems.