The last alternative is repair. But in this case, you should not consider formatting, so as not to lose the Data Recovery Services. To do this, you will have to go through the CMDs.
The first step is always to insert the USB key. When done, open the “Start” menu and write “CMD” in the menu search bar. You can then open a new command Data Recovery Services window. On this new command window, you will enter Pen drive letter: /f’. Normally, Windows will directly proceed with the repair automatically.
If it manages to correct the problem of the file system on the key, it will be displayed “Windows has made corrections to the file system” on the command window.
For beginners or computer enthusiasts, who do not necessarily want to try management via a CMD window, there are Data Recovery Services software. Just download and install. To repair your USB key and above all quickly recover your Wikipedia data , I advise you to use many free data recovery software such as Ease US Data Recovery.
Last is the most effective and fast tool to reappear as if by magic all the files that were present on the USB key before it was inaccessible. The software is very easy to use, you just have to launch it, deselect the device on which you want it to work and start data recovery.
You will have to be a little patient but all your files will reappear in the tool’s interface as you go along. All you have to do is go and retrieve them from the temporary folder that will have been created and copy them to a new disk, a new USB key or to the Cloud to avoid this type of situation.