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It has never been easier to solve Protocol 303 error.
Protocol errors can be a hassle, causing frustration and wasted time. One such error is "Protocol 303 error", which can prevent you from using Protocol. In this article, we will provide simple solutions for resolving Protocol 303 error and getting Protocol working properly again.
Written by Richard on February 3, 2023
If you are getting a "Protocol 303 Error" message when you try to connect to the Internet, it can be irritating. You might be wondering what this message means and how you can fix it.
The Protocol 303 (or "DNS_PROBE_FINISHED_NXDOMAIN" as it is formally known) is an error message that shows up when your device fails to connect to a website. This error arises when a Domain Name System server does not recognize the website's domain and cannot establish a connection.
There are numerous potential causes of this DNS error. Some of the more common ones include: incorrect or outdated DNS settings; a DNS server misconfiguration; a corrupted hosts file; corrupted Windows System files; antivirus software blocking the connection; or a firewall issue.
Fortunately, there are few simple solutions that you can try to fix this problem. These include: refreshing your DNS, resetting your IP address, flushing your DNS cache, or resetting your browser.
To refresh your DNS, open up a Command Prompt (press Windows Key + R, type CMD and press Enter) and type in the following command: ipconfig /flushdns. This will flush the DNS resolver cache, allowing you to connect to websites that you were previously unable to reach.
If this does not work, you can try resetting your IP address. Again open Command Prompt, and type in the following command: ipconfig /release. This will release your IP address, giving you a fresh one.
If the problem persists, you can try to flush your DNS cache. Open Command Prompt and type the following command: ipconfig /flushdns. This will reset the DNS cache, which should fix the issue.
Finally, you could try resetting your browser. This will remove any corrupt settings that might be causing the issue. To reset your browser, open it and navigate to its settings. You should find an option to reset it.
If you are still having trouble with the Protocol 303 Error, feel free to leave a comment below and I will be happy to help.
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