Hello Ashraf,
Thank you for posting back. I know that this issue brings complications within your Windows Live Mail and your emails. For us to give you the correct resolution, kindly provide us the detailed steps you've taken on how did you end up to this condition. In addition, if you are using a @hotmail.com, @live, @msn or outlook.com account, configuring your account in Live Mail should not delete/lose your emails.
If you want to make sure that your emails will not be lost, kindly back your emails by referring to this Microsoft article "**How do I import and export email, contacts, and calendars with Windows Live Mail?**".
Please do not hesitate to reply back should you need further information.