A new version 2.5.2 build 718 of the Virtual Null Modem software is now available. We've fixed bugs with the "FlushBuffers" Windows API function and the "MODE" DOS mode command. Take a moment and then download it in the Download area [
http://www.virtual-null-modem.com/download.htm]. You have download and install the full installation package, because you need to update virtual port drivers. Please verify that you 1 year period of free updates isn't over before updating.