The audio lessons for Prosveshenie textbooks don't work in ABBYY Lingvo Tutor.
This usually happens because there is no application capable of playing MP3 files installed, the default application for playing MP3 files is malfunctioning or doesn't support MP3 files. Try making Windows Media Player the default application for playing MP3 files.
1) Find any MP3 file on your computer.
2) Right-click the MP3 file and select Properties from the shortcut menu. The default application for playing MP3 files is displayed in the General tab.
3) Click the Change button and select Windows Media Player.
4) Click the Apply button and then click OK.