Ti consiglio fortemente di integrare madExcept nel tuo codice, il bug report generato da quel componente ti consentirà di individuare velocemente la causa del problema.

madExcept was built to help you locating crashes in your software. Whenever there's a crash/exception in your program, madExcept will automatically catch it, analyze it, collect lots of useful information, and give the end user the possibility to send you a full bug report.