You are trying to start Windows File Level Restore running from Remote Shell on Windows 10 but it fails unexpectedly with a general error:

In the log files (C:\ProgramData\Veeam\Backup\FLRSessions\Windows\FLR__<vm_name>_\VeeamAgent.MountVm.Client.log) you may observe following error code:
[05.09.2016 18:30:14] < 4728> mnt| Virtual space {b7ac05db-bfce-41fb-8d5c-780993e049de} was destroyed
[05.09.2016 18:30:14] < 4728> mnt| VeeamFCT driver communication library was deinitialized
[05.09.2016 18:30:14] < 4728> drv| ERR |CVeeamFCTDriver::FileMount: Failed to mount file 'C:\WINDOWS\system32\config\systemprofile\aoivmtwx.mot\veeamflr-0000417000007499-0000.flat'.
[05.09.2016 18:30:14] < 4728> drv| >> |Details: FctVsAddFile() : HRESULT = 0x80070003