Files and text copied from the second computer can be pasted to the first computer just fine.
However, conversely, no files or text from the first computer can be pasted to the second computer.
When copying files from the first computer to the second computer,
repeating pasting and moving, and the loading bar disappears and reappears.
Eventually, a situation arises where I have no choice but to turn it off by force. Of course, in the end, the file has not been moved.
In case of text
Open Notepad on the first computer, copy the text,
When pasted on a second computer, the notepad freezes with an hourglass symbol displayed. After about 5 seconds, the pause is lifted and only a blank screen is displayed without any text being pasted