Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

Търсене в помощните статии

Избягвайте измамите при поддръжката. Никога няма да ви помолим да се обадите или изпратите SMS на телефонен номер или да споделите лична информация. Моля, докладвайте подозрителна активност на "Докладване за злоупотреба".

Научете повече

How do I use the debugger tool (in plain English, please)?

  • 4 отговора
  • 1 има този проблем
  • 9 изгледи
  • Последен отговор от FredMcD

more options

A box appears with the message about a long-running script and the option to debug. How does this tool work and where are the instructions?

A box appears with the message about a long-running script and the option to debug. How does this tool work and where are the instructions?

Всички отговори (4)

more options
more options

Are you debugging scripts that you wrote? Or random scripts that Firefox reports are problematic?


If you see this dialog often, one potential cause is the protected mode feature of the Flash player plugin. That feature has security benefits, but seems to have compatibility issues on some systems. You can disable it by creating or editing a settings file. The following pages/posts provide different approaches for that:

Flash needs to completely unload from memory (exiting and starting Firefox up again might help) before this takes effect.

Any improvement?

more options

There is usually no need to debug the script unless you are its developer and are familiar with the scripts that run on the web page.

What page(s) give you this error and what script(s) does this alert mention?

more options

Contact the writers of the program and let them know.