Guide: Fix ‘Err_quic_protocol_error’ Issue in Chrome Browser
Do you occasionally see the Err_quic_protocol_error in Google Chrome? Are you occasionally unable to browse sites with Chrome, but is using other browsers okay? The Err_quic_protocol_error is an intermittent error that is often tricky to fix, but Compsmag has the answer. Here is how to fix the Err_quic_protocol_error in Google Chrome. Google Chrome has to be one of the most stable browsers out there. It has been around for years and was developed by a company in whose interest it is that you can surf quickly and safely. While overtaken by Firefox Quantum in terms of speed and features, Chrome is still used by millions and is still the foundation for other browsers using Chromium. The release version of the browser is very stable. One thing to consider is that the guys at Google like to experiment. They recently had to roll back a change to auto-play audio because it accidentally muted online browser games. While rare, these things do happen and are the price we pay for an advanced browser.
Fixing the Err_quic_protocol_error
A quick word about those websites that offer to fix this error with a download. It doesn’t need one and is a very simple solution. Although I don’t name names, websites that offer one tool remedy all the panacea for Chrome, Windows, or whatever program by selling snake oil. Even if they offer a patch specific to this bug, you don’t need one, so use those sites with care. The QUIC protocol is actually quite interesting, but instead of burying the header, I’ll show you how to fix the error before discussing it. The Err_quic_protocol_error seems to happen on fiber optic networks with fast routers. I have no idea why it is happening, but slower ADSL or ADSL2 routers don’t seem to have this problem. Anyway, here it is how to Fix it. This should be enough to fix the Err_quic_protocol_error in most situations. I’ve seen a few where it didn’t and the only option was to uninstall Chrome and then reinstall it. If you have to do that, here’s what you can do. After you reinstall Chrome, check the QUIC flag again as above to prevent this from happening again. On Windows: On Mac: If you do need to reinstall it, this method should keep all your favorites and settings. It will replace the Chrome core files with new ones and will choose up bookmarks and everything else from elsewhere on your computer. Now Chrome should work fine without the Err_quic_protocol_error.
The QUIC protocol
The Quick UDP Internet Connections (QUIC) protocol is an experimental network transport mechanism that Google is working on. The idea is to eventually replace the TCP protocol. By reducing the overhead of TCP and the streams instead of doing them in sequence, QUIC is destined to be much, much faster than TCP. A typical TCP connection involves a single stream and a lot of back and forth between your browser and the destination. There is a handshake, confirmation, synchronization, installation and initial data transfer before the first real data packet is sent. This delays and introduces the possibility of bottlenecks. If one TCP packet crashes, the others behind it keep crashing, causing a delay. QUIC, on the other hand, is designed for speed. Instead of the multiple installation messages of TCP, QUIC does it in one message. QUIC also uses UDP multiplexing which allows more messages to pass through even if one is stuck. It also includes built-in congestion control for maximum efficiency. Another feature from QUIC is error checking. It easily handles lost packets and manages the loss with speculative retransmission. TCP uses congestion avoidance, but this is limited to faster or less congested networks. Slower or unreliable networks cause TCP headaches. QUIC has its own boundaries and packet pacing system to help handle delayed or lost packets. QUIC has been in development for six years now and is still unfinished. Google is the driving force behind it, but apparently less than 1% of web servers support it. If you want to learn more about QUIC, this resource is excellent.
Fix ‘Err_quic_protocol_error’ Issue in Chrome Browser: benefits
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