Deleted or moved my files from disk, that is not configured to server, I have missed my important folder

Expected behaviour

I have updated my owncloud version and Resume my sync, after few minutes I have checked my recent folder, they are empty, and removed my important folders.

Actual behaviour

Folder was deleted without my any permission and can’t find it.

Server configuration

Operating system: Windows 10

ownCloud version: 2.9.1

Please check your trashbin, server side.

not showing server-side and machine trash bins!