String Encoding Error in Notebook output

Hello! I have trouble typing code and seeing the output in Notebook.

To reproduce the problem, no need to get any data.
It occurs at any time when logging any character that is not the English alphabet.

For example, when I run the below code for the first time, the result is as follows.


It's same in the console.


However, if I run the same code in the console for the first time(not again, after restarting the R), it prints without any error.


That is, I get an error ONLY when I interact in the Notebook console.

Is there any solution to this problem?

Thank you in advance :slight_smile:

Below is my basic settings in the Notebook.

Do you see the same issue in the preview release of RStudio? We've done some work to improve how we handle different encodings on Windows in 1.4.

I've installed RStudio 1.4.1066 - Windows 10/8/7 (64-bit).

However, the same problem still occurs.

Thanks for taking the time to test! Would you mind filing an issue at, so we can try and see if we can figure out what's going on?

I reported an issue at

Thank you!

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