Firefox lost your settings and bookmarks

If Firefox appears to have lost your settings and bookmarks, follow these steps to restore your Firefox profile.

Before you begin, you'll need to close Firefox if it's running, so open this page in Internet Explorer so you can follow along with the instructions.

1. Open the Start menu and in the Search Box type "firefox.exe -ProfileManager"

2. In the Profile Manager, choose the profile named "default" and click Start Firefox. This should start Firefox with your old user profile.

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Last Updated September 3, 2014