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Error-message: “MSInet.OCX is missing”


The Microsoft Internet Protocol MSInet.OCX is not installed by Windows at the time of first installation. Some of my routines use it, but I did not construct a full installation routine. One can find the relevant file at the Internet, for example, at http://www.ocxme.com/ocx/download/3367/MSINET.OCX or directly copy it from here: http://www.leydesdorff.net/software/patentmaps/msinet.ocx (right-click and use “save as”; the file is approximately 112k).


A full installation of msinet.ocx requires copying this file to the folder C:\windows\system32 (under a 32-bit operating system such as Windows XP), and installing it thereafter by opening a command-box as administrator, as follows:


Do not copy the file msinet.ocx to the folder C:\windows\system32 if it is already available! Keep your own copy.


1.     Go to Start > All Programs > Accessories > Command Prompt.

2.     Right-click on Command Prompt and choose “Run as administrator”;

3.     Type: Cd C:\windows\system32; (in order to go to this folder);

4.     Type: regsvr32 C:\windows\system32\MSINET.OCX.

5.     The Windows system confirms the registration.

6.     Restart the computer; the programs should now work. (Return to the instruction page from here.)


On a machine with a 64-bit operating system (Windows 7), msinet.ocx is to be copied into the folder C:\windows\sysWOW64 and one types analogously: “regsvr32 c:\windows\syswow64\MSINET.OCX.”. Windows confirms registration upon installation and the system has to be restarted. If it still does not work, please, consult relevant pages at the internet.


For installing MSINET.OCX under Windows 8, see, for example, at http://www.hudsoft.com/products/whosin/windows8.html .


Windows 10: right-click on http://www.leydesdorff.net/software/patentmaps/64bits/msinet.ocx and save as c:\windows\syswow64\MSINET.OCX on your computer. One types analogously: “regsvr32 c:\windows\syswow64\MSINET.OCX.”.


If you don’t have administrative rights on your computer, you need help of the IT service desk of your organization. (On your own laptop, you can give yourself (as a user) administrative rights in the Control Panel of Windows.)