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! 🎁

Søg i 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.

Læs mere

[object Window]

  • 1 svar
  • 1 har dette problem
  • 65 visninger
  • Seneste svar af cor-el

more options

I am running the latest FireFox (77.0.1) on Mac OS 10.15.4. Occasionally when I return to a tab that I see

[object Window]

This seems to happen most frequently for Google apps (e.g. gmail) but I have seen it for other pages. I have seen this when all extensions are turned off.

Any ideas on how to fix this?

I am running the latest FireFox (77.0.1) on Mac OS 10.15.4. Occasionally when I return to a tab that I see [object Window] This seems to happen most frequently for Google apps (e.g. gmail) but I have seen it for other pages. I have seen this when all extensions are turned off. Any ideas on how to fix this?

Valgt løsning

Do you have any extensions that deal with tabs ?

[object Window] would suggest there there is something wrong with JavaScript.

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window

You can try to reinstall Firefox and drag the current Firefox installation to the Trash.

You can create a new profile as a quick test to see if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

Læs dette svar i sammenhæng 👍 0

Alle svar (1)

more options

Valgt løsning

Do you have any extensions that deal with tabs ?

[object Window] would suggest there there is something wrong with JavaScript.

Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window

You can try to reinstall Firefox and drag the current Firefox installation to the Trash.

You can create a new profile as a quick test to see if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.