This is because there are many reasons why this error can happen in the first place.īelow are the common reasons that might be causing the Valorant couldn’t start error on your end. This leaves the players doing a set of troubleshooting steps to find out which one will help them fix their case. While there’s a long list of Valorant errors that we’ve come across since the game was released in June 2020, there’s not much official information on what to do if one encounters “couldn’t start” error. CAUSES: “Couldn’t start” error on Valorant When this error occurs, a box with the message about the installation location as well as other details are shown.