ishanaik :
when i turn off my computer the icon and some files on the desktop was hide and some delete.so i want to know what is the problem of my computer & how con i solve it.....?
Your computer might be infected and the folders are moved, and hidden.
Run Antivirus & Antimalware scans.
Recommend Malwarebytes Free Scanner in addition to your AV scan.
Do not delete any temporary - Temp - or TMP folders.
Also, Download & run utility UNHIDE