[path/to/ascp]: Microsoft Windows: C:\Program Files\Aspera\Aspera Connect\bin\ascp.exe or
c:\users\[username]\AppData\Local\Programs\Aspera\Aspera Connect\bin\ascp.exe
Mac OS X: /Applications/Aspera/Connect.app/Contents/Resources/ascp (for admin's installation) or
/Users/[username]/Applications/Aspera/Connect.app/Contents/Resources/ascp (for non-admin's installation)
Linux: /opt/aspera/bin/ascp or
/home/[username]/aspera/connect/bin/ascp