We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Java Script error on certain websites.

  • 3 replies
  • 10 have this problem
  • 4 views
  • Last reply by cor-el

evo676
evo676
more options

On a number of web sites when I move the cursor over a link on the page I get the following error message. I am running the latest 64-Bit version of java:-

[Exception... "Could not convert JavaScript argument arg 0 [nsIDOMWindow.getComputedStyle]" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: chrome://smouse/content/smouse.js :: sw_findNodeToScroll :: line 172" data: no]

On a number of web sites when I move the cursor over a link on the page I get the following error message. I am running the latest 64-Bit version of java:- [Exception... "Could not convert JavaScript argument arg 0 [nsIDOMWindow.getComputedStyle]" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)" location: "JS frame :: chrome://smouse/content/smouse.js :: sw_findNodeToScroll :: line 172" data: no]

All Replies (3)

the-edmeister
the-edmeister
  • Moderator
more options

To avoid confusion: http://kb.mozillazine.org/JavaScript_is_not_Java

http://kb.mozillazine.org/Java
http://kb.mozillazine.org/JavaScript

chrome://smouse/content/smouse.js - that is probably an error related to an extension which you installed

kanaane
kanaane
more options

ok, but how to solve it? i've the same problem

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).

  • Do not click the Reset button on the Safe mode start window or otherwise make changes.

If it does work in Firefox Safe-mode then disable all extensions (Tools > Add-ons > Extensions) and then try to find which is causing it by enabling one extension at a time until the problem reappears.

Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")