Windows Start Menu Items missing after malware infection

go to control panel…folder options….click view …..check the box showhidden files…..

go to c:\program data/microsoft/windows/start menu… if start menu folder is like clear …..right click properties…general..unckeck hiden…ok that should fix the problem too…  make sure go back and hide folders again ……

If this is due to a malware infection check %tmp%/smtmp and restore folder 1 with program folder to this location.