Aside from checking your antivirus program, you may also use a task manager to check if you will discover other procedures imparting the software. In the Taskmanager, you can right-click the Windows icon. After you have opened it, you will notice all the processes affecting the Discord application.
The best part is that you could do this by making the app in a non-administrator mode. The most basic way to do this really is to click the Manage as moderator checkbox. Also you can do this simply by clicking the Compatibility case. Then, you can click the FINE button to apply the changes.