win.DeleteRegValue
result = win.DeleteRegValue (RootKey, Key, [ValueName], [AccessMask]) Parameters: RootKey: string (one of: "HKLM", "HKCC", "HKCR", "HKCU", "HKU") Key: string ValueName: string (optional) AccessMask: flag ("KEY_WOW64_32KEY" or "KEY_WOW64_64KEY"; the default is 0) Returns: result: boolean Description: This function deletes a registry value.