+1 to audio interface changing sample rate.
 
You can look at a setting called Share Drivers With Other Programs in Edit > Preferences > Audio - Playback and Recording. Try making sure that is off, just in case it is some other program messing with your audio driver.

Thanks so much.  I have had nothing but weird audio stuff going on since upgrading to windows 10 -- often having to reboot to get it to work again.  Never had any issues with win7.
 
And no, it is def not a pirated version.  I just had not looked for a patch in a long, long time, and thought I should do so. I'll look into upgrading to the current sonar for win10, and I guess look into getting another sound card/interface, since the Gina3G does not have any win10 driver.
 
Also, the Share Drivers With Other Programs is turned off already.