Sometimes in some cases when you are visiting some Web sites on the Google Chrome browser, you receive some error messages such as err_connection_refused, Err_Connection_Closed, and inaccessible.
There are several possible reasons for this connection failure, either because of a DNS problem, a proxy server problem, or a browser connection failure.
To fix this, you can apply some methods such as clear browser cache, check proxy settings and disable firewall.
Part 1: Err_Connection_Closed bug fixes on Chrome browser
1. Use Command Prompt
Open the Command Prompt by right-clicking on the Desktop and holding down the Shift key and clicking the Open command windows here.
Enter the following command and then press Enter:
Open your Chrome browser and check for errors. If the error persists, enter each of the following commands and press Enter:
After the above commands have finished executing, reboot your system. These statements are used to clear your system cache and to connect to the ISP.
2. Clear your browser cache
1. On the Chrome browser window, click the 3 dashboard icon in the top right corner and select Settings.
2. Next on the Settings window, scroll down to find and select the Advanced Settings option.
3. On the Advanced settings page, click the Clear browsing data option. This time a popup window will appear on the screen.
4. At this popup window click Cookies and Plugin Data and Cached Images and Files, then click Clear Browsing Data to continue the steps.
5. Finally, check for errors on the Chrome browser.
3. Assign the IP address manually
If you have applied the above solution and still do not fix the error, you can apply the final solution is to assign IP address.
1.Right-click the network icon in the system tray, select Open Network and Sharing Center.
2. Next click on your network connection.
3. At this point, a popup window appears, click Properties.
4.Next select Internet Protocol Version 4 (TCP / IPv4) and then click on Properties.
5.A new popup window will appear on the screen, where you will select the following DNS server addresses, then enter the following values:
- Prefer DNS Server: 18.104.22.168
- Alternate DNS Server: 22.214.171.124
Do not forget to select Validate Settings Upon Exit and click OK.
6. Finally open the Chrome browser and see if the error still appears?
Part 2: Fix err_connection_refused
1. Clear the Chrome browser cache
The expired Chrome browser cache may be a reason for blocking the Web site you want to visit. To fix connection refused, you should proceed to clear all cache on Chrome browser.
To clear the cache on your Chrome browser, type chrome://settings/clearBrowserData in the Chrome browser address bar, then press Enter.
At this point, the screen appears Clear browsing data. Here you can select the two options Cookies and other sites and data plugins and Cached images and files and then select the button to clear the browsing data.
2. Check the proxy server settings
To check your proxy server settings, go to Control Panel, then click on Internet Options.
On the Internet Properties dialog box, switch to the Connections tab and select LAN settings.
Next, uncheck the option under Proxy server.
3. Disable the firewall or anti-virus software
Sometimes, firewalls or anti-virus programs can block unsafe Web sites so you can not access them.
If you have applied the above two methods that you still can not fix the Connection Refused error, in this case you can apply how to disable the firewall or anti-virus programs.
Go to the Control Panel and select the Windows Firewall, then click the Turn Windows Firewall on or off link in the left pane to disable the firewall.
You can also close or quit antivirus programs on your computer.