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"Click this Refresh Firefox button directly, if you are viewing this page in Firefox" : I can't load FF because the profile is missing . . .

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Quote above is from your instructions: I can't refresh because profile is missing and I can't load FF, so I'm using IE and your instructions are "If using Firefox" it's a catch-22. I had FireFox and it became corrupted. I tried uninstall and a new download, same result: " Profile is missing" In IE I get message that "add ons are not enabled" I've enabled everything available and still the message. I have used Avast to remove virus, it says there are none. I have also lost Flash 9.0. I have downloaded new version and computer says it is not on system. Do I need complete re-load of OS?

Quote above is from your instructions: I can't refresh because profile is missing and I can't load FF, so I'm using IE and your instructions are "If using Firefox" it's a catch-22. I had FireFox and it became corrupted. I tried uninstall and a new download, same result: " Profile is missing" In IE I get message that "add ons are not enabled" I've enabled everything available and still the message. I have used Avast to remove virus, it says there are none. I have also lost Flash 9.0. I have downloaded new version and computer says it is not on system. Do I need complete re-load of OS?

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Did the Refresh feature cause this problem? Firefox's Refresh feature usually does this:

(1) Move your existing profile (settings) folder to the desktop, inside an Old Firefox Data folder.

(2) Create a new profile folder with your bookmarks and other selected data.

(3) Update Firefox's profiles.ini file with the location of the new folder so Firefox knows where to find it.

Either step 2 or step 3 probably failed.

Can you confirm you have the Old Firefox Data folder with recently updated information inside? If so, you can "roll back" the Refresh by following a multi-step procedure. It probably will take 5 minutes, but hopefully will get you back to exactly where you were.

You can find the steps in this post: https://support.mozilla.org/en-US/questions/1098179#answer-815712 [Windows version]

If you do NOT have the folder described in step 1, we'll have to have you poke around on disk to track down your data.