1.a hidden folder named RECYCLER. Inside that another hidden folder named S-1-5-21-343818398-1645522239-725345543-500. 2.a hidden folder named $RECYCLE.BIN. 3.a hidden folder named System volume information. When I try to open the above said folders it says "Access is denied". most of them have some sub-folders which cannot be opened at all. 4.then there are a no-of 1kb .docx files being created whenever I open a .docx file. As soon as I close the .docx file the 1kb file also vanishes. A few times when they were still there I deleted them(and they appeared back). 5.is svchost.exe harmful?