Where did you find the macro? Can they give you any explanation for why it stopped working correctly in Firefox?

I found this script in the supplements he initially worked fine for 24 hours and then I closed mozilu and again open it launched imacros he worked 5 minutes and Mozilla itself off! what to do help !?

What script is it. Can you give a link to it?

https://addons.mozilla.org/ru/firefox/addon/imacros-for-firefox/

Hi   again   !
The best place for you to get a solution to your problem,   is to post your question on this russian forum:
https://forum.mozilla-russia.org/viewforum.php?id=42
Good luck and let us know if and when your problem is solved,   will you   ?

The reviews show a lot of problems with that extension in recent versions of Firefox:

https://addons.mozilla.org/firefox/addon/imacros-for-firefox/reviews/