Upgrading to Windows 1809 (sometimes) destroys all files in the profile
Colleagues in the overseas shop warn ( 1 , 2 ) of the presence of a serious bug in the installer Windows 1809.
At the moment it is known that you will lose files from your profile (My Documents, Images, Desktop, etc.) if you have profile redirection enabled for your profile to another location or they have been synchronized with OneDrive.
UPD # 1 Spiceworks users found incorrect work of the old profiles cleaning policy ')
UPD # 2 At the moment, the incorrect work of the group policy of cleaning up old profiles has been confirmed - the situations described on reddit or answers.microsoft.com seem to be caused by this particular bug. At 23:59 05/10/2018 in the subject there is not a single person who suffered from this situation. However, the case from upd # 1 is easily repeated in any virtual machine.