So, here are the complete steps that you need to perform. Once the contents are deleted, the reinstall of the Discord app will resolve the issue completely. For a lot of users, uninstalling the app and then deleting the contents of the AppData seemed to work. However, simply uninstalling and reinstalling the app doesn’t seem to solve the issue. If the above methods didn’t work then it’s time to uninstall and reinstall the Discord App. Uninstall Discord and Delete AppData Contents This will most probably reset the account on the Discord app and it should start running normally. When it doesn’t start or shows up the grey screen, run the web version of Discord and sign in. The Discord app issue resolved as soon as they opened the discord web version. In fact, most of the users didn’t even have to log in to the web version of Discord.
A lot of users have solved the issue by signing in from the web version and then trying the Windows app version. The problem sometime might be caused by the session/cookies as well. Once done, relaunch the discord app and everything should work as it should. If you are one of those users then follow the steps given below For some users, the first method doesn’t work. This method is an alternative method of method 1. Once done, close the Task Manager and relaunch the app. So, repeat this process for all the discord.exe process in that list.
If you open the task manager, you will the discord.exe in the running processes. We don’t know for sure what stops Discord from opening but what we do know is that the discord app does run. A lot of users try to open the app after a reboot or a complete reinstall but that doesn’t seem to solve the issue as well. For some users, it does open but nothing appears on the screen, just a plain background appears on the screen and nothing else. If you double-click the executable file, nothing will happen.