The user problem is actually when your logged on two accounts and shuting down from the welcome (login) screen.
Hmm... (the application close problem)
Step 1: Reboot Computer
Step 2: Hold F8 (Or Tap F8)
Step 3: Use the arrow keys to select Safe Mode
Step 4: Tap Enter on the keyboard twice
Step 5: You will see a lot of text, just wait.
Step 6: Choose your user account on the welcome (login) screen.
Step 7: Click Yes on the dialog.
Try now starting an application and ending.
And a programme on the computer is spelt program.