REG Delete usage

Reg delete removes a key or subkey from the registry

Syntax: the reg delete KeyName [{/ v EntryName | / ve | / va}] [/ f] parameter KeyName specifies the full path of the child. For remote computers, include the computer name before the child path in\ ComputerName\ PathToSubkey. Ignoring ComputerName causes the local computer to operate by default. Start the path with the appropriate subdirectory tree. Valid subdirectory trees are HKLM, HKCU, HKCR, HKU, and HKCC. / v EntryName deletes specific items under subitems. If no item is specified, all items and subitems under the subkey are deleted. / ve specifies that only items with null values can be deleted. / va deletes all items under the specified subkey. You cannot delete subitems under the specified subkey by using this parameter. / f Delete an existing registry subkey or key without requesting confirmation. /? display help at the command prompt.