I/O question

Hello Every community friends.
Here has a question that I can not slove it .
The question is:
During the reading and witing with huge data, my process show me an error with random.
I find the problem but that is not a normaly problem because it is not show me everytime when I run the process, it is random.
Have you see this problem before and how can you solve it with your process without try catch activity.
It is very importment to my process.
Please help me.
Thank you.

P.s. my english is not best,so if you can not understand what did I say, please let me konw and I will explain you with my tiny worlds.
very greatfull.

what is the error you got?

The best you can do for now is to share your log or error message first.

This is the error
1st is:%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20181116141210
the picture means that UiPath Robot has stopped: A problem has occurred that causes the program to stop working properly. If there is a solution available, windows will close the program and notify you.
After this error, the 2nd picture will pop up to me and the 2nd picture is:

that is the error message.