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

A script on this page may be busy or it may have stopped responding. You can stop the script now, or you can continue to see if the script is complete. Script file:C:\program files\mozilla firefox\components\nsBockListService.js:648

  • 1 cavab
  • 42 have this problem
  • 4 views
  • Last reply by cor-el

more options

A script on this page may be busy or it may have stopped responding. You can stop the script now, or you can continue to see if the script is complete. Script file:C:\program files\mozilla firefox\components\nsBockListService.js:648

A script on this page may be busy or it may have stopped responding. You can stop the script now, or you can continue to see if the script is complete. Script file:C:\program files\mozilla firefox\components\nsBockListService.js:648

All Replies (1)

more options

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See: