Had you included additional problems/symptoms, short of hidden files, I might have thought you were suffering from the below infection. Have a look at it, anyway. (See Step #17)
Remove Windows Recovery (Uninstall Guide)
Kindly provide as many details as possible. To include specifics about your operating system. Any "recent events" which might be important for us to know?
Keep us informed..
hi,some of my files were suddenly hidden in my folders.and now when i property on these folders i cant see any amount of those files.i checked my folder option and nothing was wrong.is it a virus or something else?please help.....