Issues w/ mouse cursor position using First Person Controller

Whenever I'm using the default First Person Controller and click the Left Mouse button, it pauses the game with the editor's Pause button. Whenever this happens, the cursor is above the Pause button, regardless of where I place the cursor on the screen before starting the game in the editor.

I've tested how this effects my game by using Debug.DrawLine() to see where the cursor was pointing. No matter what it points toward the Pause button in the editor view. The first thing I did when I ran into this problem was restart the program. When I ran into the issue again, I restarted my computer. Unfortunately, the problem persists.

If anyone could help me with this problem, I would appreciate it.