Incorrect driver versions may cause the program to freeze or crash.
Always make sure that you use updated drivers for your converter.
For Windows 8/8.1 (64/32), 7 (64/32), Vista (64/32), 2003, and XP the following driver should is recommended:
CP210x USB to UART Bridge Driver v6.6.1 - October 24, 2013
This should look something like this in the device manager.
