How to Register a 64-Bit OCX

Written by david somerset
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How to Register a 64-Bit OCX
(Pixland/Pixland/Getty Images)

Windows allows you to manually register an OCX or DLL file using a program called Regsvr32.exe that comes with the operating system. In a 64-bit version of Windows, both a 32-bit and 64-bit version of Regsvr32.exe are included with the system. To register a 64-bit OCX file, you will need to use the 64-bit version located in the "System32" folder, not the 32-bit version located in the "SysWoW64" folder.

Skill level:


  1. 1

    Press the Windows orb to open the "Start" menu. Click "All Programs" and then click "Accessories." Right-click on the "Command Prompt" icon and choose to "Run as Administrator."

  2. 2

    Type the command "Regsvr32 <OCX>," where <OCX> is the full path and filename of the OCX file you want to register. Include a "/s" in the command to run in silent mode and keep the system from displaying any messages. Press "Enter."

  3. 3

    Wait for a confirmation that the OCX was registered if you didn't choose to run Regsvr32 in silent mode. Restart the system once the process is complete.

Tips and warnings

  • Include the full path to Regsvr32.exe ("C:\Windows\System32\Regsvr32" for instance) in the command if you want to specify the 32-bit or 64-bit version for different OCX files.

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