1.将需要安装的目录，例如 C 盘根目录下。 2.进入开始菜单，点击“运行” 3.在出现的框中键入regsvr32 C:/xxxx.ocx 。（XXXX 为 控件名，C:/为目录） 4.点击确认后等待出现提醒注册成功即可。
如果是偶尔一个软件使用，将这个ocx文件复制到软件目录即可。
反注册DLL大法 UnRegister DLLs You can use the Regsvr32 tool (Regsvr32.exe) to register and unregister object linking and embedding (OLE) controls such as dynamic-link library (DLL) or ActiveX Controls (OCX) files that are self-registerable.
RegSvr32.exe has the following command-line options: Regsvr32 [/n] [/i[:cmdline]] dllname /u - Unregister server /i - Call DllInstall passing it an optional [cmdline]; when used with /u calls dll uninstall /n - do not call DllRegisterServer; this option must be used with /i When you use Regsvr32.exe, it attempts to load the component and call its DLLSelfRegister function. If this attempt is successful, Regsvr32.exe displays a dialog indicating success. If the attempt is unsuccessful, Regsvr32.exe returns an error message, which may include a Win32 error code. Example: To unregister Winshow's winshow.dll: Click the Start button, and select Run Enter this command line: regsvr32 /u [systemroot]/winshow.dll For example, in a Windows XP machine in which your systemroot was at c:/winnt, you would enter: regsvr32 /u c:/winnt/winshow.dll 你能构使用Regsvr32工具Regsvr32.exe注册和反注册目标链接和深层OLE控制器类似于自动注册的动态链接库（DLL）和ActiveX控件。 （OCX）文件。 Regsvr32命令行参数： 格式：Regsvr32 [/n] [/i[:cmdline命令行]] dllnamedll文件名
