![]() Hitting F5 on your keyboard will send a request with an If-Modified-Since header. ![]() Although we’ll fully discuss some methods you can use, there are some simpler fixes you can start with.įirst, try refreshing the web page. Once you receive the err_http2_protocol_error, you can start troubleshooting to find the source of the issue. How To Fix the err_http2_protocol_error In a Browser Luckily, there are also many methods you can use to fix this problem. Third-party antivirus or firewall software. If you’re using antivirus or firewall software to secure your connections, it can prevent you from accessing certain websites.Īs you can see, there are multiple reasons why you might see the HTTP/2 protocol error.This can prevent the site from rendering. Conflicting browser extensions. In some cases, third-party browser extensions can interrupt communication with the website’s server.As a result, the web server can refuse to make the connection and return this error. Corrupted browser cache. If your browser’s cache, cookies, or history is corrupted, then the requested site may be unable to authenticate your device’s legitimacy.This will cause the err_http2_protocol_error if the site fails to parse your device’s data packets. Outdated software. When your device’s operating system or web browser is outdated, it can be incompatible with a certain website.If you’re seeing this error, here are some common causes: However, it is most common in web browsers like Google Chrome. Unfortunately, this can happen to a wide variety of applications or systems. Usually, this happens when HTTP/2 is outdated or not supported at all.įor an HTTP/2 protocol error, something interrupts the communication between the HTTP application layer and a user’s device. In general, the err_http2_protocol_error can appear because of issues with the browser, network, or conflicts with third-party software. Get back to your normal browsing experience in no time with this handy guide □ Click to Tweet What Causes the err_http2_protocol_error? Sometimes, the err_http2_protocol_error will display as an HTTP error message and prevent you from accessing the online resource you’re looking for. ![]() This updated protocol comes with enhanced efficiency for virtual data communication.Īlthough this update has many benefits, you still may experience errors when accessing online content. In this case, it can govern the HTTP requests between users and web browsers.Ĭurrently, most browsers, applications, and systems run on the HTTP/2 network protocol. This is the application protocol that allows the retrieval of online resources.Ī protocol is a set of rules that controls how data is transferred between clients. To understand the err_http2_protocol_error, let’s first discuss the Hypertext Transfer Protocol (HTTP). This can prevent you from accessing a web page, stating that it is currently down or was permanently moved to another address: The err_http2_protocol_error message When you perform a search, you may receive an “err_http2_protocol_error” message. To empty the Trash on your Mac, right-click on the Trash icon in the Dock and select Empty Trash from the context menu.What Does the err_http2_protocol_error Mean? Ensure Google Chrome is highlighted, select Force Quit from the menu.ĥ. A Force-Quit Applications window will appear if you attempt to uninstall an application while it is still running. Note: Alternatively, you can right-click the icon and choose Move to Trash from the context menu that appears.Ĥ. To uninstall the browser, drag its icon into the Trash icon located in the Dock. As an alternative, go to the File menu at the top of your screen, select Find, and then type "Google Chrome" into the search box that pops up.ģ. Open Finder and navigate to the Applications folder, which may be visible in the Favorites panel on the left-hand side of the Finder window. If Chrome is currently running in the Dock, right-click it and select Quit from the context menu.Ģ. Check that Chrome is not running before attempting to uninstall it. It is possible to avoid this by clearing your internet cache before proceeding.ġ. However, if you are using Google's data syncing service, your data may still be stored on Google's servers even after it has been deleted from your computer. When you uninstall Chrome, you have the option of deleting your profile information as well.
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