Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

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

This thread was closed and archived. اگر به کمک نیاز دارید لطفاً یک سؤال بپرسید.

Old firefox version, create new profile error.

  • 1 پاسخ
  • 0 have this problem
  • 270 views
  • آخرین پاسخ توسّط cor-el
  • قفل شده

SuMo Bot
SuMo Bot

After upgrading firefox to the latest version 110.0.1 few users are getting a prompt that firefox version is old and they need to create new profile.

"Using an older version of Firefox can corrupt bookmarks and browsing history already saved to an existing Firefox profile. To protect your information, create a new profile for this installation of Firefox."

I have tried: -uninstalling/reinstalling newest version of Firefox -using run, firefox -p to open the profile -creating a new profile altogether -setting my default profile

Please let me know if there is something else we can try or a fix out there I haven't found

After upgrading firefox to the latest version 110.0.1 few users are getting a prompt that firefox version is old and they need to create new profile. "Using an older version of Firefox can corrupt bookmarks and browsing history already saved to an existing Firefox profile. To protect your information, create a new profile for this installation of Firefox." I have tried: -uninstalling/reinstalling newest version of Firefox -using run, firefox -p to open the profile -creating a new profile altogether -setting my default profile Please let me know if there is something else we can try or a fix out there I haven't found

All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor

This happens when Firefox is started and notices that the profile was last used by a newer Firefox version as saved in compatibility.ini in the Firefox profile folder.

SuMo Bot
SuMo Bot Question owner

This question has been locked because the original author has deleted their account. While you can no longer post new replies, the existing content remains available for reference.