Please help us to help you. First, what progam are you using for
E-mail?
What does "I can't delete any of my emails" mean" How are you
trying to delete them? What happens when you try? If you get an
error message, please quote it verbatim.
If your mom/dad/brother/sister called you and said "I can't delete one of my
e-mails", what are some of the questions you would ask them?
1. What e-mail program are you using?
2. How are you trying to delete it?
3. Did it work before?
4. etc
That is the type of information YOU should supply when asking a question.
Don't expect people here to have to pull teeth to get the answers they need
to help you!