Firefox cannot load webpages that display pdf files, Safari works OK.

On websites, including http://www.greyhound.com/en/ticketsandtravel/default.aspx, where I buy bus tickets online, pages (ie. bus tickets) that should display as pdf files do not show up, or only partially (e.g. first page only). Before I updated Adobe flash, I received a message that I needed a Quicktime plug-in. After updating Adobe Flash, I don't see this, but I still can't see the pdf files. I don't have this problem with Safari. I'm using a Mac Intel, running OSX 10.6.7, Firefox 4.0.1

I had the same problem.
I fiddled around with the Plugins and and extensions.
I disabled (removed ) the PDF Nitro program that downloads with Firefox.
I enabled the Adobe plug ins.
I set the PDF information to "open PDF with Plugins".
Not open with OS system or browser.
Hope this helps.

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Firefox cannot load pages that other browsers can, but the 'help' page for this issue did not fix the problem.

I am troubleshooting an issue occurring on a family member's pc. Immediately after changing their "search" settings from "Yahoo search" to "Google search", they found that Firefox was unable to load any webpages. After troubleshooting the problem, I found the "Firefox can't load websites but other browsers can" help page, and attempted each of the solutions listed. None of those solutions fixed the issue. Also, I uninstalled and re-installed Firefox; the issue persists. However, the 'new' version of Firefox remembered the tabs left open when the 'old' version was deleted, so some temporary files likely persisted.
Are there any other steps that can be taken, or is Firefox on this computer no longer an option?

Start with this;
Type '''about:preferences#advanced'''<Enter> in the address bar.
Under '''Advanced,''' Select '''Network.'''
Look for '''Configure How Firefox Connects''' and press the '''Settings''' button.
Check the settings.
Some problems occurs when your Internet security program was set
to trust the previous version of Firefox, but no longer recognizes your
updated version as trusted. Now how to fix the problem: To allow
Firefox to connect to the Internet again;
* Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
* Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
'''[https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet.]''' {web link}
If there is still a problem, go to that computer and do this;
Type '''about:support''' in the address bar and press '''Enter.'''
Under the main banner, press the button; '''Copy Text To Clipboard.'''.
Then in the reply box at the bottom of this page,
do a right click in the box and select '''Paste.'''
This will show us your system details.
'''No Personal Information Is Collected.'''

Firefox cannot load a directory content using file:///...

I'm currently using Firefox 3.6.12 on Windows server 2003 64 bits.
When browsing a smb share mounted on windows with an URL like:
file:///L:/dossiers_techniques/bugs/I18n_Ndmp/dir-utf8/Mus-%F0%9D%84%9E
(NB: it's displayed without the %xy stuff but using the appropriate font and glyph)
I simply obtain the following error page:
XML Parsing Error: reference to invalid character number
Location: file:///L:/dossiers_techniques/bugs/I18n_Ndmp/dir-utf8/Mus-%F0%9D%84%9E
Line Number 184, Column 76:<title>Index of file:///L:/dossiers_techniques/bugs/I18n_Ndmp/dir-utf8/Mus-&#xd834;&#xdd1e;</title>
---------------------------------------------------------------------------^
NB: I've crafted this folder and its content for I18N test purposes in the applications I'm working on.
And this specific Firefox test was triggered by a more complex configuration involving Flex and Java which thrown an exception (java.io.UTFDataFormatException).
As a matter of fact, using Firefox 3.0.8 running on linux, I can browse the same directory (shared and mounted through nfs) with just the small graphical issue that the single G CLEF glyph is displayed as two unknown glyphs:
Index of file:///usr/people/lps/dossiers_techniques/bugs/I18n_Ndmp/dir-utf8/Mus-��
I've uploaded the same "dir_utf8" content on a web server, (see URL given in the "URL of affected site" which is NOT affected): it works pretty find, if the character encoding is manually set to "Unicode (UTF-8)".
Hence it does seem that this issue is Windows or cifs or file: protocol related.

Clear the cache and the cookies from sites that cause problems.
"Clear the Cache":
* Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"
"Remove Cookies" from sites causing problems:
* Tools > Options > Privacy > Cookies: "Show Cookies"
Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

Why is the link 'Firefox cannot load websites but other programs can" not working?

This link appears to be broken.

Works fine for me: https://support.mozilla.com/en-US/kb/Firefox%20cannot%20load%20websites%20but%20other%20programs%20can
What do you get when you try?
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You need to update some plug-ins:
*Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
*Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]
*Next Generation Java Plug-in for Mozilla browsers: [https://support.mozilla.com/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]

Why do I receive this message? The Adobe Acrobat Reader that is running cannot be used to view PDF files in a browser. Please exit Adobe Acrobat Reader and your web browser and try again.

The Adobe Acrobat Reader that is running cannot be used to view PDF files in a browser. Please exit Adobe Acrobat Reader and your web browser and try again.
== This happened ==
A few times a week
== Early this year

See these KB articles:
https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox
https://support.mozilla.com/en-US/kb/Opening+PDF+files+within+Firefox

Neither Safari nor Firefox will display PDF files. Anyone know how to solve this? Safari vs. 5.0.5. MAC User. Thanks

Since yesterday neither Safari 5.0.5 nor Firefox (latest vs.) will display PDFs in their windows. Black window for Safari, white window for Firefox. Anyone know how to solve this? Thanks

Quit Safari.
Go to /Library/Internet Plug-Ins/
Move these filess to the Trash.
PDF Browser Plug-in
AdobePDFVieweer.plugin
Relaunch Safari. See if that helped.

Cannot load the report on PDF format after running report

Hi,
I try to use Web.show_document to run the report thru form. After that, the PDF file cannot be shown on browser (IE5.0) but the PDF file is generated successful and if use Acrobat to open it, it work.
An error as 'An error occurred trying to load this document'. (The Acrobat reader is loaded)
Thanks for your help in advance.
null

Hello,
I have found a similar problem, I think the problem my be with your acrobat settings.
On Acrobat 5. open an existing pdf file. Then on the menu go to Edit\Preferences\General. => A new screen should pop-up, click on 'Options' on the left hand side, and then check out your WEB OPTIONS. I tend to untick the 'Display PDF in Browser' and leave the others ticked.
I hope this helps.

Does anyone know why after upgrading to Mavericks, Safari will not display PDF files, is there a solution?

I cannot get Safari to display PDF files, it shows a blank screen with the comment that Safri has blocked PDF, however when you unblock it still does not show the PDF, I have had to rely on Firefox for this, which I find not too good. Any help very much appreciated.

Update to 10.9.1
Adobe Reader
http://helpx.adobe.com/acrobat/kb/blocked-plugin-alert-safari-7.html
Best.

Firefox cannot load websites but other programs can

Firefox cannot load any webpages, but IE can.
I have tried everything suggested. This problem happened befoer I updated Firefox and did not resolve after I updated firefox.
I tried changing internet settings, disabling firewall, and even disabling IVP6, but nothing is working.

Have you already seen [[firefox cannot load websites but other programs can]]
*What exactly happens, or does not happen and do you get any error messages ?
*Is it all websites you have a problem with, or only some ?
* What happens if you work offline, can you load web pages that are saved on your own computer ? (save something with IE, -as HTML web page files - maybe this page, then try opening it with both Firefox and IE)
Can you use firefox to look at your local disk such as (depending on your setup) ''file:///C:/''
Try checking security settings, and security logs, is firefox being blocked ?

Firefox cannot load websites, but other programs can. Listed guide/faq not effective.

I went through the FAQ guide for firefox not loading webpages, but after having changed both boolean setting in the about:config section of the firefox advanced settings, deleting and re-adding it to the program permissions list in my firewall (mcafee antivirus 2011), and even attempting to completely disable the firewall for a period of time, I am still unable to browse the internet on firefox. Internet explorer, however, does work.

Have you already seen [[firefox cannot load websites but other programs can]]
*What exactly happens, or does not happen and do you get any error messages ?
*Is it all websites you have a problem with, or only some ?
* What happens if you work offline, can you load web pages that are saved on your own computer ? (save something with IE, -as HTML web page files - maybe this page, then try opening it with both Firefox and IE)
Can you use firefox to look at your local disk such as (depending on your setup) ''file:///C:/''
Try checking security settings, and security logs, is firefox being blocked ?

Display PDF files in Browser

How can I display PDF files in my browser. SARS reqire it for e-filing?

Previous error message was working with Explorer. This came up working with Firefox
I did upgrade and it was found that the latest version was installed.
Please wait...
If this message is not eventually replaced by the proper contents of the document, your PDF
viewer may not be able to display this type of document.
You can upgrade to the latest version of Adobe Reader for Windows®, Mac, or Linux® by
visiting http://www.adobe.com/products/acrobat/readstep2.html.
For more assistance with Adobe Reader visit http://www.adobe.com/support/products/
acrreader.html.
Regards
Allen Versteeg

IE 7 not displaying PDF files

WinXP SP3 desktop
Installed: Acrobat Reader 9 and Acrobat 6.0 Professional
Up until recently, when an update from MS and adobe were installed, Internet Explorer 7 has been displaying PDF files when clicking on a link to the document. I do not know which company is at fault for compatibility here, but I would prefer to have IE7 read/save PDF docs. As it is now, an window pops up (no error number) saying "The Adobe Acrobat/Reader that is running can not be used to view PDF files in a Web Browser. Adobe Acrobat/Reader version 8 or 9 is required. Please exit and try again." I click the OK button then Acrobat 6.0 Pro loads and with no document showing. Simply turns on. I open any PDF file manually using either Reader 9 or Pro 6, but IE7 will only come up with above msg.
Corrective actions attempted were:
1) Reinstall Reader 9 on top of itself.
2) In Pro 6, Edit | Preferences | Internet and deselected "Display PDF in browser, restarted program, went back to re-select it, restarted program.
I did notice a new process running named: wisptis.exe
The error message above sounds more like to me that the Pro is assigned the job to read downloaded PDF files, but with the Web Browser Option set to "Display PDF in browswer", I do not know why IE7 is not reading them.
Thank you for your help in advance.
Kay

Try troubleshooting the Safari .plist file.
Quit Safari.
Open a Finder window. Select your Home Folder in the Sidebar on the left. It has a small house icon. Then open the Library folder then the Preferences folder.
Move the com.apple.Safari.plist file from the Preferences folder to the Desktop.
Launch Safari. See if that made a difference.
Also, check Safari / Preferences - Extensions. Make sure it's not an Extension preventing PDF's from rendering.

Firefox will not load. It says firefox cannot load, your profile is missing or inaccessiable. Help!

All of sudden firefox would not work. When I click on the icon, I get a message that says Firefox cannot load, your profile is missing or is inaccessiable. I have tried downloading firefox, everything seems fine, and than the same message appears. No matter what I do I cannot get it to work. I am a long time user of firefox, so this is driving me nuts. I hate having to use Internet Explorer.

Sounds like Firefox is "hanging at exit". That problem is frequently caused by an Extension or a Plugin. Read all of the following articles. 
NOTE: Establish a habit of exiting/closing Firefox with Firefox button > Exit or File > Exit to allow an orderly shutdown of Firefox and closing of all of the files that Firefox has open.
#Stop the Firefox process:
#*[http://kb.mozillazine.org/Kill_application Mozillazine - Kill application]
#*Windows 7 users click [http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576 here]
#*Mac users: http://techheavy.com/2011/02/the-mac-task-manager/
#Why Firefox may hang:
#*[http://support.mozilla.com/en-US/kb/Firefox+hangs Firefox hangs] (see Hang at exit)
#*[http://kb.mozillazine.org/Firefox_hangs Firefox hangs (Mozillazine)] (see Hang at exit and Closing Firefox properly)
#*[https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding Firefox is already running but is not responding]
#Use Firefox Safe Mode to find a problem with an Extension or Plugin:
#*Don't check anything when entering Safe Mode, just continue
#*If the problem does not occur in Safe Mode it is probably an Extension or Plugin causing the problem
#*See:
#**[[Safe Mode]] and [http://kb.mozillazine.org/Safe_Mode Safe Mode (Mozillazine)]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes Troubleshooting extensions and themes]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+plugins Troubleshooting plugins]
#**[http://support.mozilla.com/en-US/kb/Basic+Troubleshooting Basic Troubleshooting]
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''

Firefox cannot load websites, but IE can, even after I tried all the ideas in the current articles on this topic as of March 10, 2011!

Firefox cannot load ANY websites, but IE can, even after I tried all the ideas in the current articles on this topic as of March 10, 2011!
One day it was fine, and the next day it stopped working! I have tried everything suggested under the topic "Firefox cannot load websites but other programs can."

You should e able to install FlashPlayer separately on IE and Firefox. So you may use Flash 11.3 on IE and 11.2 or 10.3 on Firefox.
Work from the administrator account. First of all sort out Firefox, use the Adobe uninstaller to uninstall Flash before reinstalling 11.2 Afterwards check that IE is ok, the Uninstaller may have changed that so you may need to reinstall Flash on IE.
* see instructions in [[flash 11.3 crashes]]
You are apparently using an outdated Firefox 8. That is not secure you should update to the latest Release Firefox 13 (or within a day or so Firefox 14)
You may also encounter problems relating to use of RealPlayer software and that software may affect use of FlashPlayer 11.3
* see also [[Fix problems with RealPlayer add-ons]]
* a user ''blacksabath710'' recently posted a workaround in [/questions/931055] suggesting use of free software from http://www.dvdvideosoft.com/
P.S.
When you finish set Firefox's FlashPlayer not to upgrade, and until this issue is resolved do not follow suggestions from Adobe, or Plugincheck etc. to upgrade Flash.
Use this test page form Adobe in each browser and account to check Flash is working ok
* http://helpx.adobe.com/flash-player/kb/find-version-flash-player.html
The test page will display version information and error messages or a Flash animation to prove flash is working.

Firefox cannot load all websites in e10s window. But Firefox can load all websites in e10s window.

Firefox cannot load all websites in e10s window. But Firefox can load all websites in e10s window.
It shows mostly, Tab crashed Well, this is embarrassing.
Well, this is embarrassing. We tried to display this Web page, but it's not responding.
Tell Mozilla about this crash so they can fix it.
Or sometimes for the last tab it shows :
Websites show a spinning wheel and never finish loading
Of course other browsers works 'perfectly' onto loading sites.
What can I do. Is this an e10s bug, that I could help to qualify and how?
Also looking for a workaroud. I want to restore my tabs onto a non-e10s window, but really don't figure how to do that. Means, after relaunching FF-nightly, restore my windows and tabs.
He still give me this message :
Nightly is having trouble recovering your windows and tabs. blah blah...
I want to disable e10s as of for now, until he will maybe work again.

If you would like to disable e10s please follow these steps:
https://wiki.mozilla.org/Electrolysis#Enabling_and_Disabling_Electrolysis
Don't worry e10s is getting better every day. It's just a matter of time and hard work.

Firefox cannot load webpages that display pdf files, Safari works OK.

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