Method 2: Disable Unwanted Chrome ExtensionsĮxtensions are a very useful feature in chrome to extend its functionality but you should know that these extensions take up system resources while they run in the background. Restart your browser and you may be able to Fix ERR_QUIC_PROTOCOL_ERROR in Chrome. Scroll down and find Experimental QUIC protocol.Ĥ. Open Google Chrome and type chrome://flags and hit enter to open settings.Ģ. Method 1: Disable Experimental QUIC protocolġ. Make sure to create a restore point just in case something goes wrong. Method 2: Disable Unwanted Chrome Extensions.Method 1: Disable Experimental QUIC protocol.
