I updated to the latest wine from winehq.com and the window display
issues went away. SDRadio is much easier for me to use than PowerSDR.
It is just two files, runs right away, and has almost no learning
curve. No doubt PowerSDR is more featureful, but many of the UI
features aren't necessary for the SoftRock-40, as it lacks TX and a
VFO. 73, Leigh / WA5ZNU