Firefox can not access some sites that use identification system type "captcha." As you enter characters returns error response. With IE it does not.

My desktop using Win 7 Ultimate. On every page that gives error in entering the captcha characters, if you use Internet Explorer I get by with success.

hello edalsi, maybe one of your addons is interfering here - can you try launching firefox in safemode once and see if the problem is occurring there too...
[[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]

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Can't access some sites when using Aiport Express, why?

I'm using Windows 7 and my router is a wireless Apple Airport Express that is approximately two years old. Suddenly I can't access some sites (for example www.sthlm.friskissvettis.se, or www.vegetarian-shoes.co.uk, some streamed tv-shows on svtplay.se, and a number of other random sites) when connecting to internet with my router. It worked good until recently and I'm fairly sure this problem emerged when my ISP upgraded from 10/10mbit to 100/10mbit speed. Most other sites like facebook and google works fine.
When using my network cable to connect to internet everything works fine and I can access these sites.
Firmware is current and I've tried reseting the router to factory defaults.
Tried different browsers, and I can't ping the "blocked" sites either. Tracert www.sthlm.friskissvettis.se starts with 10.0.0.1 and continues through a number of long addresses until it says timeout. The last working address before timeout was sth-tcy-ipcore01-ge-0-2-0.neq.dgcsystems.net [83.241.252.13], if it matters. Tracert www.vegetarian-shoes.co.uk also eventually gives me a timeout.
When the network cable is plugged in, I still get timeout on tracert www.sthlm.friskissvettis.se even though I can access the site in Chrome. Weird. www.vegetarian-shoes.co.uk doesn't give me a tracert timeout when the cable is plugged in, and I can access the site as usual.
I've tried changing DNS servers to use opendns servers instead, but to no use.
I've tried pinging these two sites with a lower MTU packet size (with this method: http://www.richard-slater.co.uk/archives/2009/10/23/change-your-mtu-under-vista- or-windows-7/), but still can't access them through ping...
I don't know what to do anymore.... any suggestions???
Thanks

Hi Punice
first try to disable JavaScript from : Firefox button (or Tools menu) > Options > Content panel > '''UNcheck''' Enable JavaScript.
if the above does not help check with a few malware/virus scan programs for virus. You need to use all programs because each detects different malware. Make sure to update each program to get the latest version before doing a scan.
http://housecall.trendmicro.com/ - Trendmicro online
http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
http://www.superantispyware.com/ - SuperAntispyware
http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
http://www.lavasoft.com/products/ad_aware_free.php - Ad-Aware Free
http://www.microsoft.com/windows/antivirus-partners/windows-xp.aspx
check also for a rootkit infection with TDSSKiller.
http://support.kaspersky.com/viruses/solutions?qid=208280684
thank you

Please help. my address bar has vanished. i have no idea how to retrieve it, so can only access bookmarked sites when using firefox.

please help. my address bar has vanished. i have no idea how to retrieve it, so can only access bookmarked sites when using firefox.

Make sure that you do not run Firefox in Full Screen mode with all toolbars hidden.
* Press F11 to toggle full screen mode (Firefox/File > Full Screen)
If the menu bar is hidden then press the F10 key or hold down the Alt key, that should make the menu bar appear.
Make sure that toolbars like the "Navigation Toolbar" and the "Bookmarks Toolbar" are visible: "View > Toolbars"
* If items are missing then open the Customize window via "View > Toolbars > Customize" or via "Firefox > Options > Toolbar Layout" (Linux, Windows)
* If a missing item is in the toolbar palette then drag it back from the Customize window on the toolbar
* If you do not see an item on a toolbar and in the toolbar palette then click the "Restore Default Set" button to restore the default toolbar set up.
See also:
* http://kb.mozillazine.org/Toolbar_customization

In some countries that use the system nano sim card. It supports the iphone 5?

in some countries that use the system nano sim kart , it supports the iphone 5?

This means that the SIM card is installed on the iphone 5 ?

Can't access some sites after doing all suggestions using FF 15 and XP SP3..What to do?

Shut off anti-virus software, including firewall. Tried all settings of
proxy selections; cleared cache, etc...all things advised on this site
and elsewhere. Reset Firefox. Quit Firefox and tried IE. Nadda.
Been trying to access some sites and fix the problem for about a
month, now.
Hell, I can't even access mosilla forums.

Hi Punice
first try to disable JavaScript from : Firefox button (or Tools menu) > Options > Content panel > '''UNcheck''' Enable JavaScript.
if the above does not help check with a few malware/virus scan programs for virus. You need to use all programs because each detects different malware. Make sure to update each program to get the latest version before doing a scan.
http://housecall.trendmicro.com/ - Trendmicro online
http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
http://www.superantispyware.com/ - SuperAntispyware
http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
http://www.lavasoft.com/products/ad_aware_free.php - Ad-Aware Free
http://www.microsoft.com/windows/antivirus-partners/windows-xp.aspx
check also for a rootkit infection with TDSSKiller.
http://support.kaspersky.com/viruses/solutions?qid=208280684
thank you

Why i can't see some sites that before i use to see it

Why I can?t see some sites that before I use to see it?

What sites aren't you able to see? They may have changed their web design to not be so accessible. See my FAQ* for alternative browsers:
http://www.macmaps.com/browser.html

Safari Mac can't access web site that Windows can

None of my Macs can access the site http://cards.123greetings.com . I get Can't Find Server messages in both Safari and Firefox. (Clearing caches doesn't help)
cards.123greetings.com is part of a large free card site that did a major upgrade in October. It still renders correctly on a PC running Windows XP Home which runs on the same network as the Macs, so it's not an isp problem.
Since both Macs (G4 iBook running 10.3, MacBook running 10.4) have the same Can't Find Server problem with both Safari and Firefox, it appears that some setting in the Macs themselves is causing this.
Any help or insight would really be appreciated - Thanks!

A big Thank You to Mulder for letting me know that you can access the site (with Mac Safari I presume) - That's good news.
The bad news: I still can't access the site.
The problem affects two separate computers and four browers. Taking your advice, I repaired permissions and logged in as a new account on both machines. Unfortunately that didn't work.
I next tried accessing the site on the MacBook through Parallels running Windows XP Home. The site came up fine using Internet Explorer.
Then I realized that Parallels operates with a different ip address. So I went back on the Mac using a proxy, and the site came right up.
It now seems that the ip addresses of both computers are being blocked at some level. I want to thank Mulder for replying and virtually ruling out that it might be a Safari issue. I'm now "off topic" and will no longer post in this section. But I'm also over my head... If anyone has advice about how to proceed now, I'd truly appreciate it.
Thanks!

Can't access some sites on DSL - Westell 37W or Verizon connection issue?

I've been experiencing a problem with Verizon's DSL service for the last few days. I have a brand new Dell Dimension with Windows XP hooked up a Westell 327W router (hard - wired) and other laptops running both Vista and XP. All of a sudden, all the users on the same network can't access certain sites. I initially uninstalled AVG on my computer thinking that may have something to do with blocking these websites (aa.com, orbitz.com), and then I realized that some of the laptops don't have any anti-virus programs and still have the same problem. The only thing in common is that they run on the same network off of the same router. Which is when I called Verizon, only to hear from them that they don't block websites, and that the problem is something related to the computer. When I tried explaining that other users also have the same problem (and it is only within the last 5 days), they still won't accept that something is wrong with the router/DSL connection. I checked the firewall settings for the router and they are turned off. Can someone please help me? Am I wrong in assuming that the problem is on Verizon's side?

I appear to be having the same problem (erratic browser connections) as you guys. I was speaking with a tech support person last night who after having me replace Internet Explorer with Firefox (and still having the same issues) told me that the problem was with my computer. I reside in North Jersey as well. This morning, while riding to work I was speaking with a bus-mate and told him about my internet problem. He lives a few blocks away and told me that he has been experiencing the same thing for about a week and that he knows of another person with the same issue. So it appears to me that it’s some sort of Verizon problem. I tried to recap things and send them an e:mail a little earlier, but I think it fell on deaf eyes. I will try to call them later this evening and will report back to this forum tomorrow.

Latest version of Firefox (version 32) can't access web sites. Using Windows 8.1 Compatibility problems?

Firefox automatically updates to the latest version which is now version 32. I get the following error message: "Firefox can't find the server at us.data.toolbar.yahoo.com" Preceded by "Sever Not Found" This happens on any web site I try to access. Reloading version 31 Firefox works fine, but then it will update itself again.
Windows 8.1 is my operating system.

The latest Release is Firefox '''31.0''' as the only way you would get updated to the current Beta build which is Firefox 32.0'''b2''' (b2 = Beta 2 as there can be say six to twelve Betas) build is if you were on the Beta channel due to having installed a Beta build and continued using it since. If the Firefox 31.0 you installed is updating to 32.0b2 then the 31.0 you installed was a Beta build (make sure the file name did not have say 31.0'''b'''# as there were nine Betas) and not the Firefox '''31.0''' Release say from mozilla.org or https://www.mozilla.org/en-US/firefox/all/
The typical reason for a new version (on Windows) not being able to connect after a new major version Firefox update or install is usually due to a software Firewall blocking the new .exe yet it may stll have the previous version allowed.
*https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
*https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet

When accessing Intranet sites that use SSL Certificates issued by our internal PKI, FF for Windows give an error of "improperly formatted DER-encoded message"

When accessing Intranet sites with that have SSL Certificates issued by our internal PKI, FF for Windows gives an error messsage - An error occurred during a connection to myshaw. security library: improperly formatted DER-encoded message. (Error code: sec_error_bad_der)
Chrome and IE work fine. This is a new PKI using the SHA-2 signature algorithm.

Hi Guigs2,
From the other post you link too, I can confirm that both the Root and Subordinate CA have been commissioned with the:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\CertSvc\Configuration\IssuingCA\CSP\AlternateSignatureAlgorithm = 1
registry key set. As can be seen above, the Signature algorithm on an issued certificate is RSASSA-PSS. This is been Microsoft suggested deployment IF you do not wish to support either XP or Windows 2003 machine and lower. In fact, I believe the option has been around since Windows 2008, however, there were of course, a lot more XP machines back then.
The obvious answer is that we would like to maintain the updated algorithm, AND see support for it added for Firefox. I think you will see a LOT more posts like this as people deploy more 2012 PKI infrastructure supporting only Windows 7 and up. Heavens, we may well be forced to Chrome or even back to IE!!! Whilst I do not what to necessary open up other potential vulnerabilities, for the sake of testing, what do you mean by disabling mozilla:pkix?

Can't access some sites over WIFI (app store and more)

HI,
Not sure really where I can post this, but hoping someone will have a lead as it's very frustrating.
I have a belkin N router, and for some reason over wifi some sites do not work. I cannot access the Appstore on 2 iphones, I get error message that can't connect. the weird thing is that my ipad has never had problems with this and always connects to app store without problems.
I tried resetting my router and disabling security, still doesn't help.
I'm at a lost, any help greatly appreciated.
Latest firmware installed. iPhone 4 and 5 have the probelm as does my MBP which has problems connecting to some sites.

Try resetting Safari, safari under safari menu, empty Chache. Safari preferences>privacy, remove all website data. Also safari prefernces>security>unclick enable Java, leave Java script clikced. You can have corrupted cookies(they will re-create) Hope this helps.

Spybot causes firefox to give errors that it can't access some sites, even though other browsers still can; I reported the error to you before I knew.

Just letting you know I found the problem. I did not see that that fix was already reported anywhere.

Using the Firefox immunize with Spybot can cause problems. It dumps hundreds of block items into the permissions and really slows things down.

Why can I no longer print shipping labes from some sites that used to print?

For several years I was able to print postage paid labels for ETSY and BOOKSWAP from Firefox. I could also print customs forms with shipping from Ebay to countries including Russia and Italy.
Now they will not print - but I get charged for them.
Is there a remedy? If so, what is it? I can't keep losing $ on shipping fees. Thanks.
Carolyn (cshort0319)

Hi Carolyn, I am not personally familiar with how those sites work. Are the labels generated as PDFs? Often if there is a 2D-barcode, PDF is the preferred format.
What you might try is switching your PDF viewer from the built-in viewer to the Adobe Acrobat viewer or you could open it externally in Adobe Reader if you prefer. These articles describe how to change that setting:
* [[How to disable the built-in PDF viewer and use another viewer]]
* [[Use the Adobe Reader plugin to view or download PDF files]]
I noticed that your Adobe Acrobat plugin is a very old version. For security reasons, as well as improved compatibility with newer PDF formats, you should strongly consider updating to Adobe Reader XI (11). You can download that here:
http://www.adobe.com/products/reader.html
(make sure to uncheck any unwanted optional offers)

Safari can't access some sites

My husband's work has a website they need to access to get info about the company. We only have my iMac at home, and I think the site is mainly compatible with Internet Explorer, which of course is not available to Macs anymore, or at least I know it doesn't work on mine (won't even open). Is there any way Safari can get a plug in or something to help him access his website? We keep getting the 404 error _file not found , or page not found.
The answer is probably no, which he is really upset about~why should he have to go buy a second computer just to access a work site, but maybe somewhere here has encountered a solution.
Thanks!
Susan

It sounds like this particular website has some issues.
But here's something that is sometimes useful: You can get a Developer's "Debug" menu to appear in Safari, and under this menu is an option to select "User Agent." This allows Safari to present itself as a different browser type -- including MS IE 6.0 for Windows. Of course, Safari is not really IE, and this won't make it act like IE, but if a server is rejecting your requests simply because of the browser it thinks you're using, then this might work.
Here's how to get the Debug menu to show: Open Applications > Utilities > Terminal.app. At the prompt, type exactly the following...
defaults write com.apple.Safari IncludeDebugMenu 1
The next time you launch Safari, a Debug menu will appear to the right of the Help menu. If you decide you want to hide this menu in the future, open Terminal and type the same command with a zero at the end instead of a one...
defaults write com.apple.Safari IncludeDebugMenu 0
Note: If you change the User Agent, then in order to restore the default of "Automatically Chosen," you must close Safari and reopen it. (For additional information about this feature, see Apple Developer - Safari FAQ.)

How do I stop my whole laptop freezing when I use Firefox to visit a site that uses Java aplets?

For the last few weeks, whenever I've used Firefox to visit a trusted site that uses Java aplets, I've got a warning advising me to update Java. But when I check Java, it tells me I already have the most up to date version. However, as of today, whenever I visit the same trusted site my whole laptop freezes - cursor disappears, everything stops. I can't even use Restart - I have to manually disconnect the power. The same happens when I attempt to access Java via the Control Panel (to uninstall) - the moment the cursor hovers over Java, everything freezes and I have to disconnect power. I'm using Vista Home Premium SP2 32-bit. HELP!!

Potentially unsafe versions of the Java plugin are "Click to Play" blocked, meaning that you have to click to activate Java for each site. See the [[How to enable Java if it's been blocked]] article for more information.
'''Note:''' To make sure that your Java plugin is working, you can visit the test pages listed in the article, [[Use the Java plugin to view interactive content on websites]]. If an "Activate Java" message box appears, click inside the box to activate the Java plugin.
When you see the "Activate Java" message box, simply click it to load the Java content normally.
 
[[Image:Fx24-JavaActivate]]
If there is no visible area to activate Java content in the page, click the red plugin icon in the address bar. In the message panel that opens, choose "Allow Now" to enable Java content temporarily.
 
[[Image:Fx24-JavaAllowNow]]
 
The next time you visit the site or any other that uses Java you will see this message again.
If you want to always activate Java for a particular site, you can use the "Allow and Remember" option shown above.
After activating Java, you may also see a "Security Warning" dialog box, asking you to confirm that you want to run Java. This warning comes from Java itself, not from Firefox.
NOTE: After following the above steps, your computer may freeze for around one minute while the Java program is loaded.
Does this solve your problem? Please report back soon.

Firefox can not access some sites that use identification system type "captcha." As you enter characters returns error response. With IE it does not.

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