Problem creating a table

When editing a page, create a table. Save not keep up, the page freezes and can only close. From the computer is not affected by 3 different checked. The problem with the table is only on this page . Before that, I inserted the script anti-copy paste. Removed it from the page - the problem remained the same.On other pages of this problem seems to be no.

<script type="text/javascript">
    document.ondragstart = noselect; 
    // запрет на перетаскивание 
    document.onselectstart = noselect; 
    // запрет на выделение элементов страницы 
    document.oncontextmenu = noselect; 
    // запрет на выведение контекстного меню 
    function noselect() {return false;} 
</script>

No, after all," table creation " is not a single page problem.

Please record a video showing the problem.
I was not able to reproduce it. I need to see exactly what you are doing click-by-click, and I am not able to schedule a time to go over with you in person.
I'm also not sure what web browser you're using either - my guess is Google Chrome.

I can't record video of the events yet. But lag happened at purpose of an internal space in a cell in the table. In attempt to keep the Ok button wasn't clickable.

Ok thanks. I'll need to await that video.
Jing is very good for this:

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