MSCOMCTL.OCX for 64 bit Windows 7 & Vista
December 16, 2011 in Windows hacks
MSCOMCTL.OCX
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.
MSCOMCTL.OCX for 64 bit Windows 7 & Vista
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run time error 339
on December 25, 2011






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This worked great on my 64 bit win 7. Thanks
I just tried a bunch of different solutions from a bunch of different sites and yours is the only one that worked. Thanks a lot
Thanks! work
Works. Easy solution.