Little-known anti-malware programs display warnings, which are often identified as false positive. Nevertheless, it is recommended to recheck the file with your antivirus software after downloading.
Version 2.3.1 is not available
Download version 1.7 from Software Informer
Version: 1.7 (x64)
Date update: Jan 12, 2016
File name: polyphone_v1.7_win64.exe
Size: 10.3 MB