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.
We do not have a download file for the latest version (1.6.54.12753), but you can try downloading it from the developer's site
Download version 1.3 from the developer's website
Version: 1.3 (x86/x64)
Date update: Oct 21, 2021
File name: playlater.php
Size: 2.6 MB