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

After 30min of having FF open when I close a tab a msg pops up -Javascript application “Unable to clean current element: TypeError: can't access dead object”

  • 1 பதிலளி
  • 1 இந்த பிரச்சனை உள்ளது
  • 3 views
  • Last reply by philipp

After around 30min of having FF open when I close a tab a message pops up:

Javascript application Unable to clean current element: TypeError: can't access dead object OK

It randomly stops showing the message for periods of about 30 min.

After around 30min of having FF open when I close a tab a message pops up: Javascript application Unable to clean current element: TypeError: can't access dead object OK It randomly stops showing the message for periods of about 30 min.

All Replies (1)

hello MichaelStevens, this is very likely caused by one of your addons (maybe one which is performing a certain action every 30mins).

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

https://blog.mozilla.org/addons/2012/09/12/what-does-cant-access-dead-object-mean/