https://www.cnet.com/news/microsoft-halts-distribution-of-windows-10-update-amid-reports-it-deletes-files/

Microsoft didn't immediately respond to a request for comment on current state of the situation.

The halt in distribution follows reports that people among the first wave of upgraders experienced the disappearance of files in their Documents, Pictures and other folders. Microsoft users posted their concerns in r/Windows10 on Reddit and lMicrosoft's community page. The problems seemed to have involved files attached to personal profiles.