Firefox erased my whole history

Loaded firefox up today and my whole history was gone.
Had approx 7 months worth of browsing and its all gone.

Hey,
Just click on Firefox on the top left hand corner.
In the menu, you will find Options.
Clicking on it will open a window with various options.
You need to find the heading Privacy among them.
On this page, you will find Tracking, History and Location Bar.
Since your problem is related with History, there you will find
the option Remember History.
Select this option and you will not have to worry anymore.
If you wish to recover your lost history, you can try any of these :
Restoration (free)
http://www.pcworld.com/article/231629/restoration.html
Recover deleted files--or delete them for good--with this small program.
Restoration is a free program that can scan your hard drive, floppy diskette or USB thumb drive and find files that have been deleted (Windows doesn't actually destroy files that you delete: it just marks the space they occupy as being available). It can then recover any recently deleted files it finds with a single mouse click.
Have a nice day...

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Can you attach a screenshot?
*http://en.wikipedia.org/wiki/Screenshot
*https://support.mozilla.org/kb/how-do-i-create-screenshot-my-problem
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*https://support.mozilla.org/kb/how-to-make-new-firefox-look-like-old-firefox
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*https://support.mozilla.org/kb/learn-more-about-the-design-of-new-firefox

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Hi
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Firefox erased my whole history

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