I have a major issue at the program start. A pop up indicating COM2 is not available appears even if this com is not used (previously I used it for PTT). Vara modem is closed a couple of time before having both Varac and vara available. I attach the log after the program start. I tried to reinstall Vara modem (latest version) but without improvement. I'm on Win7.
73 de Phil, iz1fks
Try this; Delete your VARA.ini file and then let VARA HF rebuild that ini file, you will need to put your settings back in.
I have seen this issue and tracked it down to VARA HF, not VarAC, but this will help confirm something.