Windows 7 close programs so they do not turn on automatically

It can be also done through registry editing

Run>regedit

Delete the unwanted entries

System wide:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Per user:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

Also check your Startup folder
Start Menu>All Programs>Starup