0x800703E3: Operazione di I/O terminata a causa dell'uscita dal thread oppure della richiesta di un'applicazione.
English translation: The I/O operation has been aborted because of either a thread exit or an application request.Search for english version of this error message on google.
I always spent long time trying to translate error messages logged by application deployed at my Spanish client and the translations did not match anyway. After long frustration, I finally found this site. So far, it has saved me hunderds of hours of laborous searching for translations of those Spanish error messages.
I simply love it!