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Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

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Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

I decided to install a clean version of Windows 8 as a replacement for Win7. So when I looked at what i should save I decided to make a FireFox sync account to retrieve my data when FireFox was installed on my Notebook again.

So today I installed FireFox again but I can't seem to log in, asking about codes a other device made... Why can't I just log in with my username and password? I still have the "Windows.old" file, can I do something with that since I suppose I lost all my old data because of that weird codes.

9-r2b2e-xm7bd-pubvs-e5wfx-***** This is the code Sync is whining for but doesn't accept. not even when you change it. Can't find anything in my mail about it.

Thanks a lot in forward.

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Legendary Contributor

Re: Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

As an alternative to Sync, to find your old Firefox data, try this. Please note that I have not used Windows 8, so you let me know if this doesn't make any sense.

Help > Troubleshooting Information > "Show folder" button

This should open your Firefox personal settings (AKA Firefox profile) folder in Windows Explorer (or equivalent).

Navigate up one level to the Profiles folder. You may see more than one folder here, but with a new install, you probably only see one.

In the address bar, insert Windows.old\ into the path like so:

C:\Windows.old\Users\yourusername\AppData\Roaming\Mozilla\Firefox\Profiles

If you used a different username on Windows 7, you'll need to edit that part as well. This should take you directly to your old Firefox profile folder(s). I suggest copying those out to a more accessible location.

Your old profile folder(s) contain bookmarks, history, saved passwords, etc. You can migrate as much or as little of it as you want. There are some general articles on that (e.g., Recovering important data from an old profile), and of course many past threads.

Any luck?

3 REPLIES
Legendary Contributor

Re: Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

As an alternative to Sync, to find your old Firefox data, try this. Please note that I have not used Windows 8, so you let me know if this doesn't make any sense.

Help > Troubleshooting Information > "Show folder" button

This should open your Firefox personal settings (AKA Firefox profile) folder in Windows Explorer (or equivalent).

Navigate up one level to the Profiles folder. You may see more than one folder here, but with a new install, you probably only see one.

In the address bar, insert Windows.old\ into the path like so:

C:\Windows.old\Users\yourusername\AppData\Roaming\Mozilla\Firefox\Profiles

If you used a different username on Windows 7, you'll need to edit that part as well. This should take you directly to your old Firefox profile folder(s). I suggest copying those out to a more accessible location.

Your old profile folder(s) contain bookmarks, history, saved passwords, etc. You can migrate as much or as little of it as you want. There are some general articles on that (e.g., Recovering important data from an old profile), and of course many past threads.

Any luck?

New Contributor

Re: Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

Many thanks for your answer. I haven't had much time past days but today I'm going to try your solution. I'll definitely will let you know if it worked for me.

New Contributor

Re: Switched to a clean install of WIndows 8 but syncing won't work, how do I log in so i have my data back?

I didn't know I haven't already answer but YES it worked Smiley Happy Thanks alot again.

greetz