These settings can be found in the ease of access center. You might have done this unknowingly via an application. You probably set up your on-screen keyboard to open on the login window. The other reason is quite simple and straight forward. If such a program is listed in the start up programs, then every time you boot your computer, the program will load to the system and load the on-screen keyboard along with it. There are therefore several such applications that can open the on-screen keyboard. Windows 10 gives developers the ability to invoke the on-screen keyboard and the touchscreen mode. So what could make the annoying on-screen keyboard to appear at login? Here are a few reasons. Reasons why the on-screen keyboard appears This article will explain why the on-screen keyboard will suddenly start appearing on login and guide you on how you can remedy the situation.