Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信，及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

Learn More

话题已存档。 如果需要帮助请提出新问题。

using an older version of firefox can corrupt bookmarks and browsing history version 90

  • 1 个回答
  • 1 人有此问题
  • 1 次查看
  • 最后回复者为 cor-el

l.demarialopez
l.demarialopez
more options

Hello,

Since a few days Firefox starts with the same message: using an older version of firefox can corrupt bookmarks and browsing history.... the current version is 90 and is updated to 91.0.1

Hello, Since a few days Firefox starts with the same message: using an older version of firefox can corrupt bookmarks and browsing history.... the current version is 90 and is updated to 91.0.1
已附加屏幕截图

所有回复 (1)

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

You get this message if you start an older Firefox version than last used this profile. Current Firefox releases do not allow this and show this message.

See "Blocking downgrades" and "Disabling the changes".