One method is to install VC ++ 6.0/VB6.0. If ActiveX control items (custom installation) are selected ), the MSComm control is automatically installed on the computer, and three files are added to the system folder: MSComm. SRG, mscomm32.ocx, mscomm32.dep; another method is to download these three files and put them under C/Windows/system32, and register the OCX control with regsvr32, a registration tool under windows, click Start> run, and then enter regsvr32c: \ windows \ system32 \ mscomm32.ocx in,
After completing the above program, manually create a primary key entry in the Registry: First click "start"-> "run", then enter the Regedit command in the registry to open the registry, and find hkey_classes_root \ licenses, add a primary key
4250e830-6ac2-11cf-8adb-00aa00c00905 and set the content:
Kjljvjjjoquqmjjjvpqqkqmqykypoqjquoun
In this way, the registration is completed.
Mscomm32 control Registration Method