Look in these folders:
- C:\Users<user name>\AppData\Roaming\Microsoft\Windows\Start Menu
- C:\ProgramData\Microsoft\Windows\Start Menu
Un-check undesired programs in Start > Search > Msconfig > Startup .
You can also use WinPatrol 2010 or Sysinternals Autoruns to make the settings.
Steve Winograd, Microsoft Most Valuable Professional (Desktop Experience)