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Why does my Firefox icon in the dock turn into a light blue box with an A ?

Posted

Sometimes the icon for Firefox in the dock turns into a light blue rectangle box with a thin white border around it and a capital "A" that is made from a pencil, paintbrush and ruler.

Sometimes in the past, it has helped to remove that icon from the dock and then start up Firefox again and then say "keep in the dock" and then the usual Firefox icon appears again and sticks, but that didn't work this time.

It's harder to identify Firefox if it doesn't have the usual little orange fox icon.

I have a Mac Mini (late 2014) running 10.13.1 High Sierra. This problem just recently reappeared, but not immediately after installing High Sierra.

I have searched around and can't find a solution for this.

I'm attempting to upload a screenshot of my mouse cursor pointing at Firefox in the dock and the generic icon.

Sometimes the icon for Firefox in the dock turns into a light blue rectangle box with a thin white border around it and a capital "A" that is made from a pencil, paintbrush and ruler. Sometimes in the past, it has helped to remove that icon from the dock and then start up Firefox again and then say "keep in the dock" and then the usual Firefox icon appears again and sticks, but that didn't work this time. It's harder to identify Firefox if it doesn't have the usual little orange fox icon. I have a Mac Mini (late 2014) running 10.13.1 High Sierra. This problem just recently reappeared, but not immediately after installing High Sierra. I have searched around and can't find a solution for this. I'm attempting to upload a screenshot of my mouse cursor pointing at Firefox in the dock and the generic icon.
Attached screenshots

Modified by lisaviv

Additional System Details

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/604.3.5 (KHTML, like Gecko) Version/11.0.1 Safari/604.3.5

More Information

cor-el
  • Top 10 Contributor
  • Moderator
16552 solutions 149426 answers

Try the solution for the pencil icon on Mac:

  • Delete the Firefox icon from the dock.
  • Create a new icon by dragging the Firefox application to the dock.
  • [/questions/883573]
Try the solution for the pencil icon on Mac: * Delete the Firefox icon from the dock. * Create a new icon by dragging the Firefox application to the dock. * [[/questions/883573]]

Question owner

deleting it from the dock and dragging the icon over worked. Thanks ! I don't know why deleting it from the dock and then starting up Firefox didn't work, but this did (and I did try searching around before asking, but I could not find it).

Thanks !!

deleting it from the dock and dragging the icon over worked. Thanks ! I don't know why deleting it from the dock and then starting up Firefox didn't work, but this did (and I did try searching around before asking, but I could not find it). Thanks !!

Helpful Reply

I just installed the latest High Sierra update (10.13.2) and it is doing it again. The icon reverted to the generic icon with a capital "A" again. This time , deleting the icon from the dock and dragging Firefox to the dock again didn't work. The icon is still a light blue rectangle box with a thin white border around it and a capital "A" that is made from a pencil, paintbrush and ruler. I also tried something that has worked for me in the past, which is to delete the icon from the dock and then start up Firefox from the Applications folder, but that doesn't result in a Firefox icon either.

I just installed the latest High Sierra update (10.13.2) and it is doing it again. The icon reverted to the generic icon with a capital "A" again. This time , deleting the icon from the dock and dragging Firefox to the dock again didn't work. The icon is still a light blue rectangle box with a thin white border around it and a capital "A" that is made from a pencil, paintbrush and ruler. I also tried something that has worked for me in the past, which is to delete the icon from the dock and then start up Firefox from the Applications folder, but that doesn't result in a Firefox icon either.

Helpful Reply

OK, my computer is playing tricks on me. I just tried this yet again. Firefox was not in the dock. I dragged Firefox from the Application folder into the dock and it worked this time (?????). It did not work the last two times I had tried it since this latest High Sierra update just a day or so ago. Today, it worked. Again. I don't get it. Maybe it had to be out of the dock for at least a day for it to work again this time ? I have no idea.

OK, my computer is playing tricks on me. I just tried this yet again. Firefox was not in the dock. I dragged Firefox from the Application folder into the dock and it worked this time (?????). It did not work the last two times I had tried it since this latest High Sierra update just a day or so ago. Today, it worked. Again. I don't get it. Maybe it had to be out of the dock for at least a day for it to work again this time ? I have no idea.

Modified by lisaviv

Question owner

This is unfortunately not working anymore. Sometimes it works and sometimes it doesn't. In the last couple of days, it went back to displaying the grey box with an A as the icon. Removing the icon from the dock and dragging Firefox from the Application folder simply does not work today (Sunday, December 24, 2017). I have tried it multiple times and it doesn't work. It turns back to a grey square with an A the second I drag it back to the dock.

This is unfortunately not working anymore. Sometimes it works and sometimes it doesn't. In the last couple of days, it went back to displaying the grey box with an A as the icon. Removing the icon from the dock and dragging Firefox from the Application folder simply does not work today (Sunday, December 24, 2017). I have tried it multiple times and it doesn't work. It turns back to a grey square with an A the second I drag it back to the dock.
Pkshadow
  • Top 10 Contributor
1057 solutions 14618 answers

Please Refresh but do this 1st:

then

TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...:

If is your Profile :

Note: Any customization will revert back to default, you will also need to reinstall Extensions.

Please let us know if this solved your issue or if need further assistance.

Please Refresh but do this 1st: *https://support.mozilla.org/en-US/kb/export-firefox-bookmarks-to-backup-or-transfer *https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles then *https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings TEST....... If no issues then Extensions which need to be added back in 1 at a time and tested ..... Or it is your Profile : Make a new one and test ...: *https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles If is your Profile : *https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile *http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox Note: Any customization will revert back to default, you will also need to reinstall Extensions. Please let us know if this solved your issue or if need further assistance.
Pkshadow
  • Top 10 Contributor
1057 solutions 14618 answers

If that fails to fix the icon when dragging it out uninstall Firefox and delete the Mozilla Firefox Folders but not your Profile Folder. https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data then reinstall with a Full Version Installer from your source or from : https://www.mozilla.org/firefox/all/

If that fails to fix the icon when dragging it out uninstall Firefox and delete the Mozilla Firefox Folders but not your Profile Folder. https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data then reinstall with a Full Version Installer from your source or from : https://www.mozilla.org/firefox/all/

Question owner

it wasn't changing the icon until recently. I had not changed anything or added any extensions... The only change was the most recent High Sierra OS updates. I can't even remember the last time I added an extension, if any. It just started randomly doing this on its own.

it wasn't changing the icon until recently. I had not changed anything or added any extensions... The only change was the most recent High Sierra OS updates. I can't even remember the last time I added an extension, if any. It just started randomly doing this on its own.
Pkshadow
  • Top 10 Contributor
1057 solutions 14618 answers

Pkshadow said

If that fails to fix the icon when dragging it out uninstall Firefox and delete the Mozilla Firefox Folders but not your Profile Folder. https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data then reinstall with a Full Version Installer from your source or from : https://www.mozilla.org/firefox/all/

Please do this

''Pkshadow [[#answer-1055003|said]]'' <blockquote> If that fails to fix the icon when dragging it out uninstall Firefox and delete the Mozilla Firefox Folders but not your Profile Folder. https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data then reinstall with a Full Version Installer from your source or from : https://www.mozilla.org/firefox/all/ </blockquote> Please do this

Question owner

Refresh did result in getting the fox icon back. We'll see if it sticks this time. Thanks. My bookmarks did not disappear, although I did back them up beforehand.

Refresh did result in getting the fox icon back. We'll see if it sticks this time. Thanks. My bookmarks did not disappear, although I did back them up beforehand.
Pkshadow
  • Top 10 Contributor
1057 solutions 14618 answers

Welcome and great. Enjoy

Welcome and great. Enjoy
Hanasazi 0 solutions 4 answers

I have the same issue—which has appeared after updating to v.59.02—but after removing the dock icon I went to the Applications folder to drag it over and saw that the icon on Firefox is the same grey box with the "A" described above! Not sure if any of the above steps will work, but thought I'd see if anyone else knows what to do to fix this.

I have the same issue—which has appeared after updating to v.59.02—but after removing the dock icon I went to the Applications folder to drag it over and saw that the icon on Firefox is the same grey box with the "A" described above! Not sure if any of the above steps will work, but thought I'd see if anyone else knows what to do to fix this.

Question owner

Hanasazi, please read just a few comments above. I am the original poster of this question. Do what pkshadow posted- "Posted 12/24/17, 6:55 PM". "Refresh" worked for me. The Firefox icon has corrected itself and has been fine ever since then.

Hanasazi, please read just a few comments above. I am the original poster of this question. Do what pkshadow posted- "Posted 12/24/17, 6:55 PM". "Refresh" worked for me. The Firefox icon has corrected itself and has been fine ever since then.
Hanasazi 0 solutions 4 answers

Thank you, lisaviv. I refreshed Firefox but the icon didn't change. One of the oddities I'm experiencing after the update to 59.02. Guess I'll just have to live with it for now as work calls...

Thank you, lisaviv. I refreshed Firefox but the icon didn't change. One of the oddities I'm experiencing after the update to 59.02. Guess I'll just have to live with it for now as work calls...
Hanasazi 0 solutions 4 answers

Wow, I was reassured by the Mozilla statement that refreshing would not remove any passwords, but it dumped them all! It also dumped my master password (I'm a web designer and have to protect lots of them) and won't let me set a new one. Time to start a new support request...

Wow, I was reassured by the Mozilla statement that refreshing would not remove any passwords, but it dumped them all! It also dumped my master password (I'm a web designer and have to protect lots of them) and won't let me set a new one. Time to start a new support request...
Pkshadow
  • Top 10 Contributor
1057 solutions 14618 answers

Hi, when Hanasazi posts in your question it moves your question to Responded and we do not see your messages. Please let us know what is going on so we can continue helping you. Hanasazi has been asked not to post in others questions.

Hi, when Hanasazi posts in your question it moves your question to Responded and we do not see your messages. Please let us know what is going on so we can continue helping you. Hanasazi has been asked not to post in others questions.
James
  • Top 25 Contributor
  • Moderator
1483 solutions 10299 answers

Hanasazi, can you Please continue in your own thread /questions/1211757 instead of hijacking this thread started by lisaviv. Thank you.

'''Hanasazi''', can you Please continue in your own thread [/questions/1211757] instead of hijacking this thread started by lisaviv. Thank you.
cor-el
  • Top 10 Contributor
  • Moderator
16552 solutions 149426 answers

Try to reinstall Firefox.

Try to reinstall Firefox. *[/questions/1204656] Icon in the dock looks like a pad and pencils...no fox!