kajalshivgan wrote:

Hi, could you ever fix the error "Out of memory"? there is no "Cancel/Close" button because now after pressing "X" of error, error repeats instantly without opportunity to close the real window.

When do you get the error?

Hi, could you ever fix the error "Out of memory"? there is no "Cancel/Close" button because now after pressing "X" of error, error repeats instantly without opportunity to close the real window.

This issue has been added to the tracker:
https://winscp.net/tracker/1120

Editing file over 500MB is well beyond capabilities of WinSCP internal editor. Please use external editor capable of editing such a huge files.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>
Try to edit file with 500 mb
WinSCP 5.5

Error message:
Out of memory