Do not install the program in the default directory of "C:\Program Files..".
It you install the program in the default directory, you will have difficulty updating it. It is easier and safer to install to say "C:\ham\.."
When attempting an update you will see the following message
Error 429 CmdUnZip ActiveX component can't create object
Drag the user program folder out of program files and move it to "C:\ham\.. You will then have to change your shortcut to the program, but it will work fine there.
If you don't want to move the program then do the following:
When attempting to install, the following error message is occasionally displayed:
C:\Windows\Setup.LST
Invalid line in Setup information file!
Section: Setup1 Files
@WININET.DLL $(WinSysPath),,$(Shared),1/2/07
10:52:24
AM,575488,6.0.2800.1589
Run setup in Safe Mode