If you installed PlayerPal in the default directory you will find the log file in the following location:
C:\Program Files\PlayerPal\PlayerPal 4.2\PlayerPalWinFormServer\ppwinformserver.log
Note: If you are using a different version of PlayerPal change the 4.2 to the appropriate version number.
PlayerPal writes information and errors to a log file. If you have a problem with PlayerPal you can email the log file to firstname.lastname@example.org so it can be examined and hopefully diagnosed.