How do I fix the “ERR_HTTP2_PROTOCOL_ERROR” in Chrome?

[advikwid]

Chrome keeps showing the “ERR_HTTP2_PROTOCOL_ERROR” when I try to access certain websites. What usually causes this error, and what are the best ways to troubleshoot and fix it?

 

[AlexVale]

The most common solutions to this error are clearing the cache, disabling the problematic extensions, updating the Chrome, draining the DNS, and rebooting your router as they are the root cause of this error, which consists of corrupted browser data or blocked network requests.

 

[riyanroshan]

Clear browser cache, disable extensions, and update Chrome. Try opening the site in incognito mode or another browser. Restart your router and ensure your system time is correct. If the issue persists, reset Chrome settings or temporarily disable antivirus/firewall interference.