Extreme timout exceptions on serial interace over FTDI USB-RS232 interface

With the help of this community I was able to implement a program that talks to a serial interface board (nordic nRF52) over a FTDI TTL-232RG cable. The program works very well by acquiring data for few iterations but breaks randomly and gives timeout errors. The theory is that either the program is losing control over the COM port or the USB-RS232 communication is dropping at times. In other words this is a very unstable communication.

Do you recommend to go with any other RS232 over USB hardware that is known to perform good with LabVIEW. Please advise.