MSCOMCTL.OCX is a windows file needed by many old application in order to control serial communications through the RS32 port. This OCX will not simply register as most of know, by placing it in the system32 folder and typing the command “regsvr32 MSCOMCTL.OCX”. With newer 64 bit systems it is a bit tricky. Here is how to do it
1. download the file here
2. Copy it to c:\\windows\\syswow64
3. type the following “Run” command : “regsvr32 c:\\windows\\syswow64\\MSCOMCTL.OCX” and yes, you have to type the full path to the file, not just the file name.
4. That’s it, it should work now.