Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.

In Google chrome? http://support.google.com/chrome/bin/answer.py?hl=en&answer=117805

1. Make sure you have no viruses in your system. Check it by strong tool, for example AVP tool http://support.kaspersky.com/viruses/avptool2011?level=2
Switch off your antivirus before scan
2. Check or set to default your internet firewall settings.
3. Delete the chrome and crashreport subfolders from C:\Users\%your_name%\AppData\Local\Google\
4. Install chrome anew

Scan your computer for malware/viruses and remove anything harmful you find (if anything)
Clear cookies.
Make sure Google Chrome is allowed by your antivirus and/or firewall.

It sounds like your internet connection is down, can you view any other websites? Try visiting a random link from google, otherwise you may be viewing pages already stored on your computer.

Google chrome gives me this error:
Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.

Firefox gives me this error:
Failed to connect. The connection was refused when attempting to contact www.google.com.

IE gives me this error:

Internet Explorer cannot display the webpage

This problem can be caused by a variety of issues, including:

Internet connectivity has been lost.
The website is temporarily unavailable.
The Domain Name Server (DNS) is not reachable.
The Domain Name Server (DNS) does not have a listing for the website's domain.
There might be a typing error in the address.
If this is an HTTPS (secure) address, click Tools, click Internet Options, click Advanced, and check to be sure the SSL and TLS protocols are enabled under the security section.

Here's an instant fix of problem Google Chrome error 10: http://backspacetab.com/2011/05/16/fix-google-chrome-error-10/

Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error.

You can read a thread at FIXYA

Hope it helps.

Sorry, this was too much to explain, so I just copied the error page.

Check the error you're receiving If you can load the webpage using another browser, but not Google Chrome, check the exact error you're getting by clicking the More information on this error link on the page. The rest of the solutions listed in this article are relevant if you're experiencing any of the following errors:

• Error 2 (net::ERR_FAILED): Unknown error
• Error 104 (net::ERR_CONNECTION_FAILED)
• Error 105 (net::ERR_NAME_NOT_RESOLVED)
• Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error

Check for malware
We've found that malware is frequently the culprit on your computer that's preventing Google Chrome from connecting to a web server. Use free software available through Google Pack to detect and remove malware from your computer. Learn more about removing malware from your computer.
Clear your cookies
Cookies are files created by websites you've visited to store browsing information, such as your preferences for the website or profile information. A corrupted cookie file may be causing this error to show up. Follow these steps to clear your cookies (for Windows):

1. Click the Tools menu.
2. Click the Under the Hood tab and find the "Privacy" section.
3. In the "Cookie settings" section, click Show cookies.
4. Click Remove all.
5. Click Close.

Make sure Google Chrome is allowed in your antivirus and firewall settings
Each program works differently, so check your software's help resources for further instructions.
Adjust your proxy settings
Follow these steps (for Windows):

1. Click the Tools menu.
2. Select Options.
3. Click the Under the Hood tab.
4. Click Change proxy settings. This opens the Internet Properties dialog.
5. Click LAN Settings.
6. Make sure that the "Automatically detect settings" checkbox is selected.
7. Click OK for all dialog boxes.

Webpage display issues: "This webpage is not available" (Network errors 2, 102, 104, and 105) Issue This message displays when Google Chrome is unable to find and load the requested web page.
Solutions Check your web address and Internet connection Double-check the URL in the address bar to make sure you're going to the right web address. If you've confirmed that you're going to the right web address, check whether you can open the same web page in another browser, such as Internet Explorer or Firefox. If you can't see the web page in any browser, the web page may be temporarily down. You should also make sure you're properly connected to the Internet.
Check the error you're receiving If you can load the web page using another browser, but not Google Chrome, check the exact error you're getting by clicking the More information on this error link on the page. The rest of the solutions listed in this article are relevant if you're experiencing any of the following errors:

• Error 2 (net::ERR_FAILED): Unknown error
• Error 104 (net::ERR_CONNECTION_FAILED)
• Error 105 (net::ERR_NAME_NOT_RESOLVED)
• Error 102 (net::ERR_CONNECTION_REFUSED):
  
• Unknown error

To disable the proxy run this from the command line or modify your shortcut to run chrome:

"C:\Documents and Settings\YOUR USER NAME\Local Settings\Application Data\Google\Chrome\Application\chrome.exe" --proxy-server
See here: http://tiny.cc/A2tST

Encountering this problem following your first restart after installing Privoxy (which requires changing G-Chrome's proxy settings).
If, after installing Privoxy, you elected not to have it load on system startup, manually re-loaded Privoxy. Simply reconfigure Privoxy to load on startup and the problem should be corrected.

Click on the following links for more assistance:
Check for malware

We've found that malware is frequently the culprit on your computer that's preventing Google Chrome from connecting to a web server. Use free software available through Google Pack to detect and remove malware from your computer. Learn more about removing malware from your computer.
Clear your cookies


Cookies are files created by websites you've visited to store browsing information, such as your preferences for the website or profile information. A corrupted cookie file may be causing this error to show up. Follow these steps to clear your cookies (for Windows):

1. Click the Tools menu.
2. Click the Under the Hood tab and find the "Privacy" section.
3. In the "Cookie settings" section, click Show cookies.
4. Click Remove all.
5. Click Close.

Make sure Google Chrome is allowed in your antivirus and firewall settings


Each program works differently, so check your software's help resources for further instructions.
Adjust your proxy settings

i can't log onto my facebook. It was working fine and my friend was having issues with her facebook, so i let her use my computer. After she log onto it my facebook wasnt working either. i keep getting this message Error 102 (net::ERR_CONNECTION_REFUSED): Unknown error. do you know what i can do to fix it??