Computer restores itself to its previous state

icrazy.kill Posts 1 Registration date Monday October 12, 2015 Status Member Last seen October 12, 2015 - Oct 12, 2015 at 02:29 AM
my laptop restore itself to its previous version. i delete my files,uninstall software, change backgrounds, save files and when i turn off my laptop and open it again, it is back to its previous version. the files i deleted are still there, the app i uninstall are still there and the file i saved are gone. what can i do to fix this problem. i seriously need a help.