Вот рекомендации автора для Vista/Win7:
Turn UAC OFF. Vista/Win7 has a very annoying protection system which keeps popping up messages asking you if you really want to do something. This is known as the (U)ser (A)cess (C)ontrol and is best turned OFF if you want to maintain your sanity. Review the Vista/WIn7 help system to find out how to do this on your machine. See: Turn User Account Control on or off
Logger32 should be installed in a folder directly off the root such as C:\Logger32 (the installation default).
The CW Machine (in software mode) does not generate sidetone correctly under Vista or Win7. PC freezes and/or BSOD have been reported. Turn off CW side tone.