How to Show hidden files when disabled by Virus.Here is the solution Solution: Start-->Run-->regedit--> HKLM\Software\Microsoft\ Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\ SHOWALL DELETE the value CheckedValue in the right window. (Its type should be REG_SZ and data should be 2.) Now create a new DWORD value called CheckedValue (same as above, except that the type is REG_DWORD ). Modify the value data to 1 (0x00000001). Now you will seen your Hidden Files(open MyComputer-->Tools-->Folder Option-->View-->Check "Show hidden files and Folders")