Unable to connect Firefox can't establish a connection to the server at 'URL of the site' why does this appear in all browser??

I have used these sites
-www.facebook.com
-www.dubbedonline.tv/ and some others for a long time but few weeks ago i couldn't access them anymore and this appeared :
Unable to connect
Firefox can't establish a connection to the server at www.facebook.com.
The site could be temporarily unavailable or too busy. Try again in a few moments.
If you are unable to load any pages, check your computer's network connection.
If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.
i have also tried many ways to access them but none of the solution worked, one of them was checking troubleshooting problems and it detected that the remote device won't accept the connection, so, how can i fix this?

You can check the connection settings.
*Tools > Options > Advanced > Network : Connection > Settings
*https://support.mozilla.org/kb/Options+window+-+Advanced+panel
If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.
See "Firefox connection settings":
*https://support.mozilla.org/kb/Firefox+cannot+load+websites+but+other+programs+can
Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware.
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: http://windows.microsoft.com/en-us/windows/using-defender
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

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Whenever I go to webpages there are a few that come up with: "Unable to connect Firefox can't establish a connection to the server.."? What do I do?

Whenever I go to some websites there are a few that come up with: "Unable to connect Firefox can't establish a connection to the server.." and the problem occurs with the same websites on other browsers. What might be the problem?

If you get the same problems with two browsers, the problem is
outside of them. Check you computer for blocking programs.
Separate Issue;
Your System Details shows;
Installed Plug-ins
Shockwave Flash 15.0 r0
Shockwave Flash 16.0 r0
Having more than one version of a program may cause issues.
Grab the uninstaller from here:
'''[http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Uninstall Flash Player | Windows]'''
'''[http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-mac-os.html Uninstall Flash Player | Mac]'''
Then reinstall the latest version.
Flash Player '''v16.0.0.257 https://www.adobe.com/products/flashplayer/distribution3.html'''
http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html
https://support.mozilla.org/en-US/kb/server-not-found-connection-problem

After a seach when I click on one of the resulting links I get : Unable to connect -Firefox can't establish a connection

Unable to connect
Firefox can't establish a connection to the server at 0.r.msn.com.
The site could be temporarily unavailable or too busy. Try again in a few
moments.
If you are unable to load any pages, check your computer's network
connection.
If your computer or network is protected by a firewall or proxy, make sure
that Firefox is permitted to access the Web.

'''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.''
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies do the following:
#Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
#Under "Time range to clear", select "Everything".
#Now, click the arrow next to Details to toggle the Details list active.
#From the details list, check ''Cache'' and ''Cookies'' and uncheck everything else.
#Now click the ''Clear now'' button.
Further information can be found in the [[Clear your cache, history and other personal information in Firefox]] article.
Did this fix your problems? Please report back to us!

Firefox can't establish a connection to the server at "Every Website" but IE and Safari work just fine.

Unable to connect
Firefox can't establish a connection to the server at google.com.
The site could be temporarily unavailable or too busy. Try again in a few
moments.
If you are unable to load any pages, check your computer's network
connection.
If your computer or network is protected by a firewall or proxy, make sure
that Firefox is permitted to access the Web.

A possible cause is security software (firewall) that blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.com/kb/Server+not+found
*https://support.mozilla.com/kb/Firewalls

Firefox can't establish a connection to the server

Unable to connect: Firefox can't establish a connection to the server at cms3.tucsonaz.gov. * The site could be temporarily unavailable or too busy. Try again in a few moments.
* If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.

A possible cause is security software (firewall) that blocks or restricts Firefox without informing you about that, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox.
See [[Server not found]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls
See also: http://kb.mozillazine.org/Error_loading_websites

Windows performed an automatic update. I am now unable to use Firefox. I receive an error message "Firefox can't establish a connection to the server". Windows IE works, Outlook works. What did Microsoft do to me this time?!!!

Windows performed an automatic update on my PC this morning. Now, Firefox does not work other than in SAFE mode. I get "Firefox can't establish a connection to the server..." I downloaded and reinstalled the latest version of Firefox and get the same error message. IE works. MS Outlook works. What did Windows do to me this time?

You can find the connection settings in Tools > Options > Advanced : Network : Connection
If you do not need to use a proxy to connect to internet then select "No Proxy" if the default "Use the system proxy settings" setting doesn't work.
See "Firefox connection settings":
* https://support.mozilla.com/kb/Firefox+cannot+load+websites+but+other+programs+can
Start Firefox in [[Safe Mode]] to check if one of the extensions 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

Our power suddenly went out and now Firefox can't establish a connection. How do I fix it?

Our power suddenly went out and when I turned the computer back on and opened Firefox, this is the message I get while trying any web page:
Unable to connect.
Firefox can't establish a connection to the server at www.etsy.com.
* The site could be temporarily unavailable or too busy. Try again in a few
moments.
* If you are unable to load any pages, check your computer's network
connection.
* If your computer or network is protected by a firewall or proxy, make sure
that Firefox is permitted to access the Web.

Maybe the Firefox rules in the firewall got damaged.
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox. 
See [[Server not found]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls
If that doesn't help then do a clean reinstall. 
Download a fresh copy of Firefox ( http://www.mozilla.com/firefox/all.html ) and do a reinstall of Firefox on top of the current version. 
If that still causes the same problem then do a clean reinstall and remove the Firefox program folder.
Your bookmarks and other profile data are stored elsewhere (not in the Firefox program folder) and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

Using oracle (services in manual) following message appears Firefox can't establish a connection to the server at localhost:1158.

when I use oracle 11 and have it set in automatic (in services) it operates properly. (after restart) When I have it in manual (in services) i get the message 'Firefox can't establish a connection to the server at localhost:1158.'
We use the computer for various instructors but only one uses Oracle. With oracle in auto it takes for ever to log in (2 mins or more), when it is in manual it takes 10 secs for log in.

you mean the local.profile?
i have the next values
export ORACLE_BASE=/export/home/oracle
export ORACLE_HOME=/export/home/oracle/app/oracle/product/11.2.0/dbhome_1
export ORACLE_SID=XXX
export ORACLE_TERM=xterm
export ORACLE_OWNER=oracle
export TMP=/export/home/oracle/tmp
export TMPDIR=/export/home/oracle/tmp
export DISPLAY=:0.0
J2RE_HOME=/usr/jdk1.6.0_33; export J2RE_HOME
JAVA_HOME=/usr/jdk1.6.0_33; export JAVA_HOME
JAVA_BIN=/usr/jdk1.6.0_33/bin; export JAVA_BIN
PATH=/usr/jdk1.6.0_33/bin:$PATH; export PATH
& All Matches with the path of the installations of oracle & java
thanks in advance

Im trying to set up a connection to localhost from my mac but keep getting an error message: Firefox can't establish a connection to the server at localhost.

Hi
I'm new to working with Mamp, Dreamweaver and WordPress and am trying to work using the Firefox browser. unfortunately i keep getting the error message Firefox can't establish a connection to the server at localhost. when i type the URL http://localhost/explore_ca/blog/wp-admin I cant use Dreamweaver with WP without this is there a reason for this and how do i get around it?

1- Is your MAMP working '''whithout errors'''(does it show you errors while executing or running and enabling)?
2- Have you tested other browsers? Is your problem still occuring?
3- Are you using '''proxy '''or '''VPN '''(or setted a proxy server or VPN server on your Computer)?

Firefox can't establish a connection to the server at 127.0.0.1:8080.

Hi everyone!
I need your help. Im just a newbie in Oracle 11g. I'd just installed it last night and i found this problem:Firefox can't establish a connection to the server at 127.0.0.1:8080.
Can I ask what cause me to have that problem? Im using Windows XP, Service PAck 2.
Thank you for your replies and help. I'd badly need to this Oracle database to run..
Stay blessed. ^^

Hi Udo!
I've tried the lsnrctl status,(I'd just type what I think is important.. too lazy to type them all, hehehehe)
ALIAS:Listener
VERSION:TNSLSNR for 32 bit Windows, Version 11.2.0.2.0 Production
Trace Level:off
Security:ON, LOcal OS Authentication
SNMP:Off
Default Service:XE
Service "CLRExtProc" has 1 instance(s)
Instance "CLRExtProc", status unknown, has 1 handler(s) for this service
Service "PLSExtProc" has 1 instance(s)
Instance "PLSExtProc", status unknown, has 1 handler(s) for this service
when i tried the "sqlplus / as sysdba", it says:
ERROR:
ORA-01034:Oracle not available
ORA-27101:shared memory realm does not exist
Process ID:0
Session ID:0
Serial Number:0
Thank you.. ^^

Firefox can't establish a connection to the server at localhost

I was building a wordpress website on my PC: using Firefox browser, accessing wordpress through WebMatrix which opened Firefox & showed a 'localhost:20238' address. It worked for 5 days then WebMatrix said ' website does not exist. I could still load it for 1 day using browser history. Then that failed too. Have ditched WebMatrix. Now loaded XAMPP & Wordpress (shown as succesful). Putting 'localhost' into address box. Error message: Firefox can't establish a connection to the server at localhost.

Does it work in other browsers?
When you enter http://localhost/ Firefox will try port 80, since that is the standard for web servers. If there is any other software on your computer listening on port 80, the web server might not be able to use it. Can you check your XAMPP settings and try using a different port such as 8080? Then you would access the server using http://localhost:8080/.

Have an error saying 'Firefox can't establish a connection to the server at localhost:50972. '

I bought a product called 'Helium Music Streamer' and downloaded it. I registered the product and went to launch it..
only it wouldnt launch.
It had the error 'Firefox can't establish a connection to the server at localhost:50972.'
I would be glad for some help
'

Hi, in case you haven't solved your problem - here's what i've discovered based on having same issue. where IE proxy system settings automatically allows local host url access; It appears FF system proxy or auto-detect does not, it's settings blocks local host URL access. To access local host, "no proxy" settings should allow or, only way to allow this exception (or any other exceptions) is through their manual settings. You should see in manual settings that the local host is already set to be allowed through.
FF also has plug-ins available which allows you to configure multiple proxy settings/profiles that you can toggle between based on your connection needs. THis way, when you want to use local host you can select it's proxy profile and go back to default proxy settings for regular web surfing, etc
Hope this helps you.

Firefox can't establish a connection to the server at 192.168.50.28:6789

Hello
I have installed N1 system manager but when i try to open its web page there is an error occur on web page which is i paste below. Any body help me. please i shell be thank full to u.
Firefox can't establish a connection to the server at 192.168.50.28:6789

The error you're saying suggests, that your N1SM isn't either configured or didn't start up properly.
N1SM was EOLed (end of life) long time ago & doesn't support any newer systems or S10 updates
Also it's slowly nearing EOSL (end of supported life).
N1SM was replaced by xVM Ops Center, which was released as of version 2.0 two weeks ago.
I strongly suggest you ask your local Sun representative for xVMOC and disregard N1SM.
Lubos

"There was a problem connecting to the server. URLs with the type "file:" are not supported. Why? What can be done to eliminate it?

After upgrading to Mountain Lion, I repeatedly get this message: "There was a problem connecting to the server. URLs with the type "file:" are not supported.
Why?
What can be done to eliminate it?

Open the Time Machine pane in System Preferences. If it shows that Time Machine is ON, click the padlock icon in the lower left corner, if necessary, to unlock it. Scroll to the bottom of the list of backup drives and click Add or Remove Backup Disk. Remove all the disks, then add them back. Quit System Preferences. Test.

Since installing Lion I keep getting the error message 'there was a problem connecting to the server. URLs with the type 'file:" are not supported"' How can I fix this?

since installing Lion I keep getting the error message 'there was a problem connecting to the server. URLs with the type 'file:" are not supported"' How can I fix this?

A Davey1 wrote:
Not a nice answer!
Posting "Check the 'More like this'" area and not simply providing the answer is a great way to make these groups worthless.
You're ignoring context. On the old Apple Discussion Groups I never posted replies like that, instead giving people relatively detailed answers. The new Apple Support Communities made things worse by introducing certain inefficiencies. Then came Lion. The flood of messages that came with Lion required a painful choice for any of the people who had been helping here: (1) Give quality responses to a few questions and ignore the rest. (2) When applicable, give a brief answer such as the one that you found objectionable. (3) Give up all the other normal activities of life and spend full time trying to answer questions here.
People who needed help with Lion problems seemed to have trouble discovering existing message threads that described how to solve their problems. I never posted the suggestion of "Check the 'More like this' area" without verifying that the help that the poster needed could be found there. Even doing that, what I posted saved me time that I could use to help someone else.
The people helping here are all volunteers. None of them is being paid for the time they spend here. They all have a life outside of Apple Support Communities. It's arrogant of you to demand that people helping here spend more time than they already do.

Unable to connect Firefox can't establish a connection to the server at 'URL of the site' why does this appear in all browser??

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