Firefox 4 no longer displays "Arial Black" as a font-family in CSS.

Example line in CSS: font-family: "Arial Black",Gadget,sans-serif; after upgrading to FF4 no longer displays as Arial Black now it displays as Arial.

You need to add font-weight:900 to make Firefox use Arial Black
*[https://bugzilla.mozilla.org/show_bug.cgi?id=644385 bug 644385] – Arial Narrow, Arial Black fonts do not show on page (comment 8)

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Firefox 15 no longer displaying images on my website

Everysince the upgrade to Firefox 15 this morning, my website doesn't display any images.. They are all blank and I have no bg color.
Displayed just fine before Firefox 15.
My website is not published yet, so i won't be giving you a url

You can ignore (CSS) errors in the Tools > Error Console. 
Those errors are only useful if you develop websites and want to check the HTML/CSS and JavaScript code for errors. 
Most errors are code for other browsers like IE or browsers on other platforms or just typos or the result of bad coding. 
Only errors about no longer supported (i.e. obsolete) -moz prefixed CSS properties and severe JavaScript errors need attention.
*https://developer.mozilla.org/en/CSS_Reference/Mozilla_Extensions

Firefox will no longer display Unicode symbols after update?

I am using Firefox on Mac OS X Mountain Lion. Just about two Firefox updates ago (roughly Firefox 14), Unicode symbols suddenly stopped displaying that had been displaying fine—switching to boxes with numbers in them.
I have changed my Encoding options to include every single form of Unicode available to me; I am not sure if that has any effect. (Screenshot here: http://puu.sh/QcF6 ) The best part? After doing so, restarting the browser makes the Unicode symbols appear again! No more boxes with numbers! Fixed, right?
''Nope''! When I come back to that page a week later, they are numbers in a box again. In fact, in some cases, the symbol will display temporarily (say, if I had saved it into a blog page), then when I go to edit that blog page, the symbol immediately switches back to box-with-numbers.
This is driving me mad, and was not previously an issue. What can I do to fix this?

Sorry for the late reply, I was waiting for the issue to re-occur. I have cleared and checked for damaged fonts, to no avail; the problem still exists. :(
'''Edit:''' In addition, I've just checked in both Chrome and Safari, and the Unicode symbol that I'm attempting to display are working fine in both of those browsers.

Image no longer displays, appears black

I'm running CC on iMac with Mavericks. I'm editting images building up adjustment layers and I get to 5 or 6 layers and the the image no longer appears - the edit window just shows a black rectangle, the same size as the image. The image is still in memory - if I export, save i can view the image. Adjustments still work - I've tested changing canvas size. I can run pluggins like Nik and the image appears in Nik but all black when it's returned to Photoshop. My only work around is to save image, quit and restart PS. This is seriously slowing down my work flow. This never happened when I was using CS6. I'm working on a high spec imac so shouldn't be a performace / resource issue. I'm only running PS and Lightroom.
Processor 3.4 GHz Intel Core i7
Memory 24 GB 1333 MHz DDR3
Graphics AMD Radeon HD 6970M 2048 MB
Software OS X 10.9.1 (13B42)
Adobe Photoshop Version: 14.1.2 (14.1.2 20130923.r.427 2013/09/23:23:00:00) x64
Free memory: 12119 MB
Memory available to Photoshop: 22586 MB
Anyone else experienced this problem? Is there a fix, work around?
Thanks.

Google updated the plugins recently to correct this problem:
https://support.google.com/nikcollection/answer/4400822?hl=en&ref_topic=3001406
Version 1.109 (December 11/2013) is the latest:
Fixed black or white tile artifacts that might have occurred after returning to Photoshop from plug-ins
You can find out the version you have installed by launching Photoshop:
On Mac: Select Photoshop>About Plug-in>Analog Efex Pro… (or any other NIK Plug-in)
On Windows: Select Help>About Plug-in>Analog Efex Pro… (or any other NIK Plug-in)

Firefox does no longer display the Firefox Sync status

I'm running FF 3.6.7 and FF Sync 1.4.1. Now the display from the taskbar has gone missing.

Hello Jacques.
I can't be of much help, I'm sorry, but I think this might be by design, and not a bug. I do know that Firefox 4's inbuilt sync won't have a constantly displayed status icon, so that might be just how they updated the extension, to work like it will work on Firefox 4. All in all, it shouldn't be necessary for the user to constantly check if its browser is synced. It should always be.

Arial Black is the specified font for headers on my website; however, FF4 doesn't render out Arial Black whereas FF3.6 rendered it out perfectly along with other browsers. What's the deal?

I just upgraded to FF4 and was surprised to see that Arial Black wasn't rendering. My css validates and have never had an issue rendering our Arial Black on any browser - as of now FF4 is the only browser that doesn't support Arial Black. Chrome, Safari, IE9, and Opera all display my fonts as I specified in the css. Being a web designer I seek uniformity across all browsers.

Found the answer [http://www.neowin.net/forum/topic/971376-firefox-displays-my-site-incorrectly-other-browsers-fine/page__p__593634608#entry593634608 here] . Changing the CSS to this should do the trick:
font-weight: 900;
font-family: "Arial Black", Arial, sans-serif;

Why won't Firefox suddenly won't display SoundSlides files -- new and ones displayed in the past? I've cleared history, cookies, etc. Also deleted and reinstall

Firefox will no longer display our university news website news.wsu.edu correctly, AND it will no longer display SoundSlides files that we have posted. See our front page at news.wsu.edu as well as SoundSlides example at http://news.wsu.edu/pages/publications.asp?Action=Detail&PublicationID=32021&TypeID=1
Have tried deleting and reinstalling Firefox. Deleting all history, cookies, etc.

It works ok for me but then I am not using Flash 11.3 on Windows.
I can see http://news.wsu.edu/ ok
When I try http://news.wsu.edu/pages/publications.asp?Action=Detail&PublicationID=32021&TypeID=1. I get a mainly blank page with an error message
Microsoft OLE DB Provider for SQL Server error '80040e07' 
Error converting data type char to int. 
/Includes/SiteIncludes.asp, line 30
Possibly the link is not quite correct. (trailing dot ?)
Selecting a "sound slide" does however work ok for me I get a slide show with very loud music.
* e.g. [http://news.wsu.edu/pages/publications.asp?Action=Detail&PublicationID=32021&TypeID=1]
* screenshot attached
'''It appears it works for me. Possibly you have a problem because of Flash Player 11.3 use. You may find it works if you downgrade to FlashPlayer 11.2 or 10.3''' There have been known issues with FlashPlayer on Windows Firefox systems. Developers from Flash & Firefox have been working on the problem, but despite new updates to both FlashPlayer and Firefox in recent days, problems may still be occurring.
Note also there is a related but separate problem on some systems with RealPlayer. If you have Real Player installed please say so, and especially mention if that includes video download or recording options.
The current standard response to the Flash Player 11.3 (Windows Firefoz) problem is as follows, (but advice may change over the next few days):
Recent crashes of certain multimedia contents (this includes Youtube videos, certain flash games and other applications) in conjunction with Firefox 13 are most probably caused by a recent Flash 11.3 update and/or a malfunctioning Real Player browser plugin.
In order to remedy the problem, please perform the steps mentioned in these Knowledge Base articles:
[[Flash Plugin - Keep it up to date and troubleshoot problems]]
[[Flash 11.3 crashes]]
[[Flash 11.3 doesn't load video in Firefox]]
Other, more technical information about these issues can be found under these Links:
http://forums.adobe.com/thread/1018071?tstart=0
http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html
Please tell us if this helped!
This is the sort of thing that your own IT department may well be able to help offer advice on, and if it is the problem I suspect, then it is likely to impact on many site users.
They may also be interested in the possibility of deploying Firefox ESR for themselves and students.
*The IT department may ask in the Enterprise Working Group Mailing List:
** https://mail.mozilla.org/listinfo/enterprise
* more info at http://www.mozilla.org/en-US/firefox/organizations/

Arial Black does not dispaly in FireFox???

I have specified Arial Black in a CSS class. It displays in Chrome and IE but not in Firefox.
Any reason for this? Is there a an extra bold font that I can use instead that FF will recognize?
Thanks.

On Windows you may need to add font-weight:900 to make Firefox use the "Arial Black" font.
*[[/questions/795314]]
*http://people.mozilla.org/~jdaggett/tests/arialblackweights.html

Firefox no longer displays Youtube videos. How do I fix this?

Firefox 8.0 on 64-bit Windows 7 no longer displays Youtube videos. I get a solid black rectangle where the video should be. How do I fix this?

Answers in this forum have shown different things have worked for different people.
For some disabling hardware acceleration for Flash helps. To do that right-click on a Flash video, select Settings, go to the first tab of the settings for the option to enable/disable hardware acceleration for Flash. This is something recommended by YouTube for those having problems - http://www.google.com/support/youtube/bin/answer.py?&answer=1209379
Clearing YouTube cookies and the cache has also helped some. For details of how to do that see https://support.mozilla.com/kb/Deleting+cookies and https://support.mozilla.com/kb/How+to+clear+the+cache
Others had to go a step further after deleting YouTube cookies and block YouTube from saving cookies. In the Tools menu select Options to open the Options window. Go to the Privacy panel and make sure it is set to "Use custom setting for history". Click the Exceptions button, type in http://www.youtube.com and click on Block
You can also try changing to the secure YouTube site, https://www.youtube.com

How do I solve this problem:Photo's no longer displayed (Adobe Flash player 13,0,0,214) in online photo album maker (Webprint.nl) after update to Firefox 29.0.1

After I (automatically) updated to Mozilla Firefox version 29.0.1, the online photo album crreator of Webprint.nl no longer displayes the photo's that I uploaded.
The photo's are displayed again when I use an older Firefox browser (version 28.*) from an another computer. This is my old (WIndows Vista) computer that I use when my new Windows 7 computer has problems.
It looks like the new Firefox has a problem with Adobe Flash player 13,0,0,214; which is the newest version according to Adobe.
Please help!
Kid regards, Rob from Gouda, NL.

Many site issues can be caused by corrupt cookies or cache.
* Clear the Cache
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by; Windows; '''Tools > Options''' Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Advanced > Network > Cached Web Content: Clear Now'''
and
* Remove Cookies
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by; Windows; '''Tools > Options''' Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Privacy.'''
Under '''History''', select Firefox will '''Use Custom Settings'''.
There is a button on the right side called '''Show Cookies'''.
If there is still a problem,
'''''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''''' {web link}
While you are in safe mode;
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Followed by; Windows; '''Tools > Options''' Linux; '''Edit > Preferences'''
Mac; ''application name'' '''> Preferences'''
Then '''Advanced > General.'''
Look for and turn off '''Use Hardware Acceleration'''.
Poke around safe web sites and see if there is still a problem. Then restart.

Images no longer display properly in Firefox

I use ancestry.com where they have a lot of images of documents - not PDFs - and this morning they no longer display, but instead seem to show underlying html or other code. I noticed in the google home page, the icon for the google apps no longer appears - really odd things are happening. Most web sites are fine. Have screened three ways for malware, downloaded and installed latest Firefox browser - no change.
I have a screen image that shows the issue, but can't figure out how to post it here.

You can try these steps in case of issues with web pages:
You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.
*Hold down the Shift key and left-click the Reload button
*Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
*Press "Command + Shift + R" (Mac)
Clear the cache and cookies only from websites that cause problems.
"Clear the Cache":
*Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
*Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
*Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
*Do NOT click the Reset button on the Safe Mode start window
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

My Ipad 2 no longer displays anything.It may come on for a few seconds,but then half of the screen goes completely black, and the system becomes non responsive to all bottons. At other times all four sides of the display becomes black, about 1/4 inch.

Can anyone help me on this one? I got my IPAD 2 in June 2011. It never gave problems until a few days ago. It began to "hang", becoming non-responsive to all buttons. Then just yesterday morning, it went totally black. The display no longer displays. The Battery was charged 96%. I tried the power adapter, but had the same result. I tried the resetting, holding the two buttons for 10 seconds or more but no result. I have already restored it to the factory setting,(via my PC) and put back my apps etc. But after all this I still cannot see anything on the screen.
I know it is still working, because from time to timer I hear the message alerts, and other sounds.
Waht is the likely solution?

Try a Reset...
Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears. Release the Buttons.
If no joy... Try a Restore...
1: Connect the device to your computer and open iTunes.
2: If the device appears in iTunes, select and click Restore on the Summary pane.
3: If the device doesn't appear in iTunes, try using the steps in this article to force the device into recovery mode.
From Here
Unresponsive iPad
http://support.apple.com/kb/TS3281

Why does Firefox no longer display .php suffix web pages which are in my Mac?

I have a question about Firefox 14.0.1 displaying .php suffix web page files which are in a Mac running Mountain Lion OS 10.8. In eaarlier versions of Mac OS, for example 10.4.7, I was able to see properly displayed web page files with .html and .php suffixes when those web page files were in my computer. I refer to seeing the page as it should properly display, not seeing the source code. If a page had a .php suffix, the browser displayed the page properly although any php scripts embedded in that page were ignored.
Apple occasionallly updated its OS and browser makers occasionally updated browsers. One day, I noticed that Safari no longer displayed web page files in my Mac if those pages had a .php suffix. However, Firefox and other browsers continued to display web page files with .php suffixes although the embedded php scripts were ignored.
Now, I have Mountain Lion in iMac.
I can no longer see .php suffix web page files in my computer regarless of the browser I use. No browser displays those pages.
A .php suffix web page file which Firefox and other browsers display in 10.4.7 does not display in 10.8 if that web page file is in the computer.
In my computer, I have html and php suffix web page files I want to see using a browser. The files I want to see and the browser both are in my computer. Html files display perfectly with one exception: if php scripts are embedded in the html files, the scripts are ignored. A file the name of which ends with ".php" will not be displayed regardless of whether there is a php script in the file. Safari displays the source code only. Chrome does not display the file at all. Firefox and SeaMonkey, which displayed .php suffix web page files in earlier versions of the Mac OSm now respond to such pages by providing a dialog box which seems to assume that the file is about to be downloaded from the Internet. The dialog box asks me if I want to use the browser to open the file or if I want to save it to disk. The file is on the disk at the time, and the computer is disconnected from the Internet. I click that I want to use the browser to open the file. Then the dialong box reopens with the same question. This happens over and over. I never get to see a web page file in my computer the name of which ends with ".php". With Firefox 14.0.1, I can see .php suffix web pages which are on the Internet or in a 10.4.7 Mac but not in a 10.8 Mac. Did I miconfigure Firefox? It seems unlikely that Firefox lost the ability to display pages in Mac OS 10.8 which it displays in `10.4.7. How can I solve this web page display problem?

Haroon mentions two solutions. I used the easier one, which is to start the Apache webserver already in Mountain Lion and to enable the php already in Mountain Lion. It worked. I see the file correctly displayed with html, css, and php. I see the page by using Firefox. I enter an address in the address bar. For example, the address might be "localhost/example/example.php". I cannot see the page by using Firefox's "Open File ..." menu option or by dragging the file's icon onto Firefox's icon. I tried using your solution also but was unable to find the specific preference to modify. I found the page of preferences which may be modified but I could not find the one I need. I found a list of descriptions of the preferences at http://kb.mozillazine.org/Firefox_:_FAQs_:_About:config_Entries
but I could not find the specific preference which I need.
By the way, to enable loading the php module, one uncomments a line of code by deleting the initial "#" character, and one does that by pressing control key and "P" key while the cursor is over the "#" character.
Also by the way, when I use Firefox or Safari to look at the Apache web directory in which my files are, the files are listed case sensitively. For example, the files are listed: Ace, Zygote, bar. This is because lower case follows upper case. THis annoys me. I prefer case insensitive listing. When I llok directly athe directory without using a browser, the files are listed case insensitively. For example, they are listed: Ace, bar, Zygote. I guess taht Apache is doing this.

I have a problem with black squares in the contact list on facebook, but it is only in Firefox, I no longer know what to do? I'm using Windows 8

I have a problem with black squares,rectangles, etc, in the contact list on facebook, but it is only in Firefox, I no longer know what to do? I'm using Windows 8.

'''Try the Firefox Safe Mode''' to see how it works there. The Safe Mode is a troubleshooting mode, which disables most add-ons.''
''(If you're not using it, switch to the Default theme.)''
* You can open the Firefox 4.0+ Safe Mode by holding the '''Shift''' key when you use the Firefox desktop or Start menu shortcut.
* Or use the Help menu item and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
''Don't select anything right now, just use "'Start in Safe Mode"''
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before using the Firefox shortcut (without the Shift key) to open it again.''
'''''If it is good in the Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one.
Please follow the [[Troubleshooting extensions and themes]] article for that.
''When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.''

FireFox no longer displays embedded Youtube videos in WordPress blogs - Even the Youtube videos no longer display on the YouTube website!

Since yesterday FireFox no longer displays embedded Youtube videos in my WordPress blog - Even the Youtube videos no longer display on the YouTube.com website!

Go here please, and post your concern. We are trying to show how widespread this issue is:
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Firefox 4 no longer displays "Arial Black" as a font-family in CSS.

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