Key 1:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CurrentVersion\Run
Key 2:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\CurrentVersion\RunOnce
Key 3:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Key 4:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
