Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

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

end script error message: Script:chrome//wrc/content/overlay.js:1149

  • 7
  • 4
  • 1 view
  • Nzaghachi ikpeazụ nke cor-el

more options

I get an unresponsive script error message asking me if I would like to end script now.

Script:chrome//wrc/content/overlay.js:1149

Firefox freezes and I have to end the program in task manager. Please help!

I get an unresponsive script error message asking me if I would like to end script now. Script:chrome//wrc/content/overlay.js:1149 Firefox freezes and I have to end the program in task manager. Please help!

All Replies (7)

more options

hello nix_22, hello, can you try to replicate this behaviour when you launch firefox in safe mode once? if not then probably an addon is interfering here... the wrc part of the error message might indicate that it's related to avast! WebRep

Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

more options

Hi madperson! I removed avast before I tried to start it in safe mode but the problem still persisted. Then tried to start it in safe mode and, hooray! my machine absolutely flies with no trouble at all!! So how do I now sort out the addon interference?? Thanks, you're a life saver!

more options

The name "wrc" mentioned in the chrome URL is usually a hint to which extension is causing such an issue.
You didn't list the extensions, so madperson wasn't able to give more precise instructions.

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")

more options

Thanks cor-el! Think I may have found the problem. Firefox had disabled my outdated version of Java. Busy installing update and then we see! Otherwise I will carry on the enabling one extension

at a time. We live and learn :)
more options

You're welcome.

You may still need to check the extensions if the error returns.

Do you have any clue which extension (name probably starts with a 'W') is causing this hang?

(I've removed your duplicate reply)

more options

OK. I have 2 things that are disabled in Extensions: Browser Manager 2.3.759.138, due to it being known to cause instability and security issues AND IDM cc 7.3.5 which is incompatible with Firefox 16.0.2 . Could these be causing the hitches even if they have been disabled?

more options

No, not when they are disabled.
Maybe you already did something else to get rid of that extension.

Browser Manager from PerformerSoft LLC (browsemngr.dll), possibly added via Babylon, has often been mentioned as the cause of problems, so it is best to remove it.