To be honest kamo, it's been quite a while since I originally used the demo. I think it allows you to scan the entire drive, and tells you the status of that file(s) (if it is intact or corrupt), but only retrieve a very small portion of the files. You also need a bit of spare disk space to restore the files to. It does not recover the partition itself. It allows you to retrieve the data you need before reformatting.
Before you do anything though, if you haven't already done so, right click on the drive, and go to Properties, followed by the Tools tab.Under "Error Checking", click on Check Now. Tick box check box's and Start.
Also go to Control Panel, Administrative Tools, Computer Management, Storage - Disk Management category. You will see you drive here. Right click on it and see if you have the option to rebuild the disk. The rebuild option is only given to you if it's possible to rebuild, and does actually work quite well 95% of the time, but doing so will decrease the chances of R-Studio retreiving all of your data if something goes wrong.
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