I cannot listen to any audio file, imported or recorded.
Make sure you’ve selected the correct Playback Device, especially if you’ve plugged-in a USB microphone or something and Windows may have set the “new” device for recording and playback.
And the playback volume slider is now “hidden” under the playback meters (and the recording volume slider behind the recording meters.
Take a look at this web page and see if it helps you any.