Main Modifications 

[Windows XP/2000]
[Version 1.1 -> Version 1.2]
- The newer version fixes problems during data transfer using system
  exclusive messages on a system where Intel Hyper-Threading Technology
  is enabled. 
- It also fixes problems caused during MIDI data playback using Running
  Status. 

[Windows Me/98SE/98]
[Version 1.1 -> Version 1.2]
- The newer version fixes problems caused during MIDI data playback 
  using Running Status.