The computer rebooted overnight (I assume to complete a Windows Update) and everything was gone. All my files, user information, added programs and all my settings. It looks like a new computer today. Does anyone know how this could happen? Is this a known issue with the Windows 8 update.
Samsung ATIV Book 9 NP900X3E-K01US 13.3-Inch Ultrabook
Intel(R) Core(TM) i7-3537U CPU U at 2494 MHz (x 4)
Windows 8 x64 Edition 6.2 (build: 9200)