How to register OCX files

RegSvr32 is a built-in tool by Microsoft Windows, used to register system files such as .ocx files.

Open the Command Prompt

To register and unregister .ocx file, open Command Prompt as an administrator.

Windows Command Tool (CMD) — Open Windows Command Tool as Administrator

How to register a .ocx file

To register the .ocx file, open Command Prompt as an administrator, enter the installation folder, and run the "regsvr32" command. You'll receive a confirmation if the .ocx file is successfully registered.

C:\User\Username>cd c:\windows\system32

C:\Windows\System32>regsvr32 filename.ocx

How to unregister a .ocx file

Unregistering an ocx file deletes the .ocx information from the Windows registry. Keep in mind some ocx files can't be unregistered.

C:\User\Username>cd c:\windows\system32

C:\Windows\System32>regsvr32.exe /u filename.ocx