Hi,

The people who answer questions here, for the most part, are other Firefox users volunteering their time (like me), not Mozilla employees or Firefox developers.

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crepin868 said

I thought it would just recheck my firefox to ensure it was the latest version, and probably just reinstall itself.

Hmm this may be the first time I have seen somebody thinking this was for checking for Firefox updates.

Normally the complaint I see are people may mistakenly assume it does things like dusting and spring cleaning while still keeping everything intact.

There is supposed to be a warning dialog, but we are where we are...

Refresh moves your old profile folder with your useful data to your desktop, inside a folder named Old Firefox Data. Can you find that? Inside, there should be a folder with a partially random name, for example:

a1b23cd4.default

And inside that folder, one named bookmarkbackups from which you can restore your bookmarks.

To do that, call up the Restore feature --

Restore bookmarks from backup or move them to another computer

-- and at the bottom of the menu, click Choose file. Then point Firefox to the files in bookmarkbackups in the Old Firefox Data folder.

Success?