Safety and security - preventing

Look at these problems and solutions:

Problem: Unauthorized people use this computer.
Solution: Put a password on the computer.
The password prevents unauthorized people from using the computer.

Problem: Dirt gets in the keyboard.
Solution: Put a cover over it.
A cover prevents dirt from getting into the keyboard.

Decide if the statements are correct or incorrect. Do they make sense?

1)
Problem: The camera could get wet.
Solution: Carry it in a waterproof bag.
A waterproof bag prevents it from getting wet.

2)
Problem:The memory card got too hot.
Solution: Keep it out of direct sunlight.
Keeping it out of the hot keeps it from getting direct sunlight.

3)
Problem:Buy a protective screen shield.
Solution: A screen shield prevents it to get scratches.
A screen shield prevents it from getting scratches.

4)
Problem: My account was compromised.
Solution: Change your password.
Changing your password prevents your account from being compromised.

5)
Problem: Excessive spam in an e-mail account.
Solution: Adjust your spam filter.
Adjusting your spam filter prevents receiving excessive spam.