My sent messages are set to be saved. There are some saved but it appears they drop off over time. Is there a way to keep sent messages indefinitely?

When I signed on to my email account this morning, all of the favorites were gone.  The only unusual event that I can think of

is that when I went to shut the computer off last night, I receive the message regarding a "windows critical update".  I tried

called because I have an MSN Premium acct., but no one there seemed to be able to help,  I have had very good service in

the past, but this appears to be too much of a challenge.  It's hard to believe that it is not somewhere on the hard drive.

WHY IS THIS ACCOUNT NOW OUTLOOK AND NOT HOTMAIL?? DID NOT REQUEST TO UP GRADE TO OUTLOOK. RESTORE ACCOUNT TO HOTMAIL>
I want to search for an email I received in Dec/Jan 2011/12 to retrieve an address....there seems to be no
way of going back to the past emails...what do I have to do to search for an email

DR8
This started about 10 days ago and I have no idea why.  My phone provider has checked the settings and says everything seems fine but I keep getting the message 'cannot connect to mail server to verify your account' when I have deleted the account and try to set it back up.  I have download the Hotmail App but I preferred the old way as my inbox is now getting too full on my phone as I cannot deal with everything immediately.  How do I get it back the way it was. 
I can delete emails in my Inbox one by one but this is too long.  I want to delete  20 emails in one go. Is there a quick way to delete 20 Inbox emails from Windows Live Mail?  Would be obliged if you knew and let me know. Thanks. U.Kuran

 here is the alerts :

 

552 5.3.4 Requested action aborted; Our daily message limit was meant to stop spammers--we're sorry that it's getting in your way. You can wait a day to send your message.

 i did not send spam mail, all the email we sent are to our clients,long years of business partners .

 

daily , i have about 250-350 new emails ,but your Co limited my right to reply all. i can only reply about 100-120 email every day,  i want your help to lift the limitation and reply all my clients' e-mails.

 or give me suggestion how can i reply the normail email and without limited ?

 please give me help . thanks

 

 

Please reply to (Removed email address for security purposes)
All my yahoo contacts have stopped appearing online on msn messenger since 4 days. Is there a way to fix this?