An Application keeps starting every time I start NT.

A. Applications can be started from a number of places

• In the Startup Folder for the current user, and all user group
• In the registry:
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit
  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServices
  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows, run and Load keys
• %systemroot%\win.ini
  

The easiest way would be to search the registry using REGEDIT on the application name

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