Good evening all,

I have been chasing down an intermittent problem with RC3 as detailed below:

Rig = IC9100
PTT = CAT
Mode = MSK144
Win7 Pro Version 6.1 (Build 7601: Service Pack 1)
Installed Physical Memory (RAM 16.0 GB
Processor Intel(R) Core(TM) i7-6700K CPU @ 4.00 GHz, 4001 MHz, 4 Core(s), 8 Logical Processor(s)

Symptoms:
When calling CQ, program would randomly stop keying the radio (but the display would still show that it was commanding transmit. Then, when I went to shut down the application and restart, it would refuse to restart due to a stale lock file. wsjtx.exe*32 was still a running process (as was jt9.exe), and task manager would shut down jt9.exe but not wsjt.exe*32. I had to reboot the computer to clear the lock file and restart the application.

Tonight, the application immediately brought up the Rig Control Error. While all the settings are unchanged, it will not respond to the Test CAT button, and the details on the Rig Control Error show: Hamlib error: IO error while opening connection to rig.

The only way to recover from this error is to load WSJT-X v 1.9.1. All of the radio settings remain the same, but the communications between the application and the radio now work.

Installed rc3 over top of 1.9.1 again, and now I have (for now) the ability to continue running RC3 and finding some additional corner cases.

I have no additional applications loaded ... I did load one software package, and when I noticed this issue, uninstalled it and cleaned the registry, and then reinstalled RC3; but no change.

While I suspect an issue with Hamlib, I can't be certain. If you need additional information, please let me know.

As a postscript, while I was writing this message, the application (wsjtx v2.0 rc3) has once again locked up. I now have to reboot to clear the lock file again, as attempts to reinstall fail (can't terminate the wsjtx.exe*32 process, and installation fails with a multitude of QT*dll errors.

73,
Rick
NM3G



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