Wont Open File

I have Corel Graphics Suite 2018. When I tried to open a file today in CorelDraw, It simply locked up. It goes to the open dialog box, navigates to the directory, but when I select a file, nothing happens. I can't close CorelDraw, or exit out of the program or the dialog box. The only way I can close is to use Task Manager, and close the program. Can anybody help?