Facing random reboots on my surface 3

[FAHMI BASSEM]

On the latest insider build, it only restarts while not in use.....

Please help, i lost my work three time ☹

 

[Chintan Gohel]

On the latest insider build, it only restarts while not in use.....

Please help, i lost my work three time ☹

by insider you mean 14393.10? Have you checked that the update was without issues?

https://support.microsoft.com/en-us...68-021e32467565/windows-update-troubleshooter
SFC Scan: https://support.microsoft.com/en-us/kb/929833