Windows 10: Unresponsive script

Windows 10 64bit version 2004 Firefox browser.I keep getting an unresponsive script message saying it may be busy or not responding,the options are to "stop the script"or to "continue to see if it will complete".What is the cause of this message and which of the options would be the best to choose?

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Problem with Firefox/Facebook script - page unresponsive and freezes


I'm experiencing a constant problem involving a script while using Firefox browser, with Facebook open.

A pop up window on the page advises me that the following script is causing the problem....

https://static.xx.fbcdn.net/rsrc.php...HGcTRu_E.js:25

...and gives me a choice to "Cancel, Debug, or Continue" ??

I don't understand the nature of Scripts and am therefore at a complete loss, and confused about how to deal to the problem to sort it out.

Firefox becomes very sluggish, unresponsive and freezes when this annoying event happens.

A guess suggests that Java Script is associated with it.

 

Constant script errors and slow loading pages in 10 internet explorer 11

I have done the steps listed above. They have not helped and I am still getting constant script errors, along with slow loading pages. Are there any other suggestions?

 

auto trivia restart script?

I know everyone is so busy here so I'm suggesting an auto restart script so trivia is a benefit instead of a burden. Can anyone make this script?