The following infomation is from this link
http://angrybyte.com/windows-hacks/msinet-ocx-for-64-bit-windows-7-vista/
MSINET.OCX is a file required by many old application in order to parse HTML pages . This OCX will not register as most of know, by putting in in the system32 folder and typing the command “regsvr32 MSINET.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 “CMD” then right click the command prompt search result and hit “run as administrator”, in the command prompt type:
“regsvr32 c:\windows\syswow64\MSINET.OCX” and yes, you must type the full path to the file, not just the name.
4. That’s it it should work now.
You've taught me everything I know but not everything you know.