if the Microsoft store Xbox app or Minecraft launcher are out of sync with your Microsoft account it can lead to account mismatch errors especially when launching games that require license verification here are some solutions for the error first open the start menu open your settings open apps open the installed app section locate Minecraft click on the three dots to open the Minecraft options click on Advanced options look for the reset section if Minecraft isn't working right you can try to repair it Minecraft data won't be affected now press repair if Minecraft is still not working right reset it the app's data will be deleted now press the reset button this will permanently delete Minecraft's data on this device including preferences and signin details press reset again if Minecraft is still not working uninstall it this will uninstall Minecraft settings your documents will not be affected press uninstall Minecraft and its related info will be uninstalled press uninstall open the Xbox app to download Minecraft again search for Minecraft faux Windows click on Minecraft press install select your installation Drive press install again wait for Minecraft to be downloaded and installed Now launch your game