How to Fix ERR_HTTP2_PROTOCOL_ERROR in Google Chrome
7How to Fix ERR_HTTP2_PROTOCOL_ERROR in Google Chrome
HTTP2 protocol error might occur on a client device mainly due to browser issues or interference from the network. Browser’s issues might range from a conflicting extension to a corrupt cache, bad cookies, and the history of the browser.
This error can occur on the client and server sides. This tutorial will focus on how to fix this error on the client side. You may find yourself experiencing ERR_HTTP2_PROTOCOL_ERROR when accessing a specific website. However, in some cases, you may get it when accessing most websites.
Issues addressed in this tutorial:
err_http2_protocol_error 200
err_http2_protocol_error all browsers
site can't be reached err_http2_protocol_error
this site can't be reached err_http2_protocol_error
chrome err_http2_protocol_error
The issue occurs when a client tries to visit a website but fails to do so and the HTTP2 protocol error is shown. In some instances, the issue is only limited to a particular website, whereas, in some other scenarios, none of the browsers on the client device failed to open a majority of websites. The issue is reported on all the famous browsers like Chrome, Firefox, Edge, Opera, etc. This is also common on devices using different operating systems (like Windows, Mac, Linux, iPhone, Android, etc.). The HTTP2 protocol error is also reported on some other applications or games (like Discord).
An HTTP2 Protocol Error is observed in several systems and primarily pertains to browser or network issues. As the name suggests, people face this issue when there are interferences in their HTTP2 Network Protocol. This may be caused by the presence of a corrupt or incompatible extension, bad cookies, and other glitches of the kind. If you, too, are countering the ERR_HTTP2_PROTOCOL_ERROR on your Chrome browser, this tutorial will help you resolve it.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.