RegistryKey.DeleteSubKey Method (String)
Assembly: mscorlib (in mscorlib.dll)
The subkey has child subkeys
The subkey parameter does not specify a valid registry key
subkey is a null reference (Nothing in Visual Basic)
The user does not have the permissions required to delete the key.
The RegistryKey being manipulated is closed (closed keys cannot be accessed).
The user does not have the necessary registry rights.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.