FlashDisk error after create an EAP-PEAP wireless Connection


I have observed the same issue this morning.
Yesterday I try to connect my iMX6 device running WEC2013 to a share folder of my laptop. It works sucessfully.
When I enter the login and password I check the box to remember the credentials.

Then at next start of the device I had a FlashDisk classic folder and a FlashDisk2 disk with all the data previously stored on the Flashdisk drive.

Do you have an idea how to recover from this issue without flashing the device?
Do you know how to avaoid this issue?

Thank you in advance.