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Hi,

This is a follow on document to my previous blog on “Read COMM port using ABAP w/o third party software”. In this blog I will try to explain step-by-step on how to download and activate Windows activeX control MSCOM32.OCX on the client PC where the Weighbridge’s serial port is connected.

Go to the link http://activex.microsoft.com/controls/vb6/mscomm32.cab and download the file mscomm32.ocx


If you are running Windows on 32 bit machine Copy the file that you have downloaded to C:\Windows\System32 folder.

However, if you are running windows on 64 bit machine then copy this file in C:\Windows\SysWOW64 folder


How to activate / re-register MSCOMM32.OCX from an elevated command prompt (Windows XP, Vista, 7, and 8):

  1. Click the Start button.
  2. Type “command” in the search box… DO NOT hit ENTER yet!
  3. While holding CTRL-Shift on your keyboard, hit ENTER.
  4. You will be prompted with a permission dialog box.
  5. Click Yes.
  6. Make sure you have changed the path to C:\Windows\System32 if you are on 32 bit machine /wp-content/uploads/2014/10/32bit_554801.jpg
  7. or C:\Windows\ SysWOW64 if you are on 64 bit machine64 bit.jpg
  8. Type the following command: regsvr32 /u MSCOMM32.OCX.
  9. Hit ENTER. This will UN-REGISTER your file./wp-content/uploads/2014/10/unregister_554804.jpg
  10. Type the following command: regsvr32 /i MSCOMM32.OCX.
  11. Hit ENTER. register with i.jpg
  12. If this gives any error the type the following regsvr32  MSCOMM32.OCX.
  13. Hit ENTER. This will RE-REGISTER your file.register without i.jpg
  14. Close the command prompt window.
  15. Re-start the system. 

Regards,

Firoz.


References: http://www.solvusoft.com/en/files/missing-not-registered/ocx/windows/microsoft/msdn-disc-10/mscomm32-o

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