Answer: close the program and reopen it.
Explanation: This is one of the 5 common problems in a computer. When a program wont load, Try closing and reopening the program.
Reboot the computer.
Check for known issues on the web or updates to the software.
Use Task Manager (Ctrl+Alt+DEL) if program is non-responsive to "end task."
This can be done in a number of steps.
1. Prepare your email request early.
2. Choose an appropriate professor
3. Address the letter properly.
4. Put "Recommendation for [your name]" as the subject line.
5. Start the first paragraph by stating what you want.
6. Outline your relationship with the professor.
7. Use the third paragraph as an opportunity to hint at what you'd like the professor to say about you.
8. Give the details.
9. Close with information about how you will follow-up.
10. Thank the professor, whether or not s/he writes the letter.
11. Follow through as promised by delivering necessary materials and sending a reminder
12. Take responsibility for checking with the scholarship program, graduate school, or prospective employer before the deadline
1. Thank the professor again.
The answer to this is "is a classification scheme"..hope that helped