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The ERR_CONNECTION_REFUSED error in Chrome is a common error that occurs when a user tries to access a website and the website’s server is actively refusing the connection. This error message indicates that there is a problem with the website or the user’s internet connection, and the website cannot be accessed.

There are several factors that can cause the ERR_CONNECTION_REFUSED error, including:

1. Unstable internet connection: A weak or unstable internet connection can cause the ERR_CONNECTION_REFUSED error, as the connection between the user’s device and the website’s server may be disrupted.
2. Firewall/Antivirus software: Firewall or antivirus software can sometimes block connections to websites, causing the ERR_CONNECTION_REFUSED error. This is because the software may consider the website to be a potential security threat.
3. Incorrect proxy settings: If the user is using a proxy server, incorrect proxy settings can cause the ERR_CONNECTION_REFUSED error. The proxy server may be blocking the connection, or the user may have entered incorrect proxy server settings.
4. DNS issues: The Domain Name System (DNS) is responsible for translating website addresses into IP addresses, which the user’s device can use to access the website. If there is an issue with the user’s DNS settings or the website’s DNS records, the ERR_CONNECTION_REFUSED error may occur.
5. Website maintenance or downtime: If the website is undergoing maintenance or is down for any reason, the ERR_CONNECTION_REFUSED error may occur. This is because the website’s server is unavailable, and the user’s device cannot establish a connection.
6. Browser extensions: Some browser extensions can interfere with website connections, causing the ERR_CONNECTION_REFUSED error. This is because the extensions may alter the way the browser connects to websites or add additional security measures that block certain connections.

To resolve the ERR_CONNECTION_REFUSED error, users can try several solutions, including:

1. Check their internet connection: The user should ensure that their device is connected to the internet and that the connection is stable.
2. Clear their browser cache: Clearing the cache and cookies of the user’s browser can resolve the issue. This step removes temporary data that may be causing the error.
3. Disable firewall/antivirus software: The user should temporarily disable their firewall or antivirus software to see if it is blocking the connection.
4. Restart their router: Restarting the user’s router and modem can reset the internet connection and resolve the issue.
5. Disable proxy: If the user is using a proxy, they should try disabling it to see if it is causing the issue.
6. Flush their DNS: Flushing the user’s DNS cache can resolve the issue. This step refreshes the DNS records stored on their device.
7. Change their DNS server: The user can try changing their DNS server to a different one, such as Google’s public DNS, to resolve the issue.
8. Check the website’s status: The user should check the status of the website they are trying to access to see if it is online.
9. Disable browser extensions: The user should disable all extensions in their browser to see if one of them is causing the issue.
10. Reset their browser: If none of the above solutions work, the user should reset their browser to its default settings. This step removes all customizations and can resolve any issues that may be causing the ERR_CONNECTION_REFUSED error.

In addition to these solutions, the user should also check for any system updates for their device, as outdated software can also cause the ERR_CONNECTION_REFUSED error.If the issue persists after trying these solutions, the user should contact their internet service provider or the website’s support team for further assistance. They may be able to provide additional solutions or resolve any underlying issues that may be causing the ERR_CONNECTION_REFUSED error.In conclusion, the ERR_CONNECTION_REFUSED error in Chrome is a common issue that can be caused by several factors, including unstable internet connections, firewall or antivirus software blocking connections, incorrect proxy settings, DNS issues, website maintenance or downtime, or browser extensions interfering with connections. To resolve the issue, users can try several solutions, including checking their internet connection, clearing their browser cache, disabling firewall/antivirus software, restarting their router, disabling proxy, flushing their DNS, changing their DNS server, checking the website’s status, disabling browser extensions, and resetting their browser. If the issue persists, users should seek additional assistance from their internet service provider or the website’s support team.