Even you can try this :
In Windows XP :
Click on Start > Run > type outlook /cleanviews > Click OK
In WIndows Vista /7
Click on Start > In search, type "run" (without quotes) > In the list click on Run
In the run windows, type outlook /cleanviews > Click OK
Note : Even this...
Adding to Larry's conversation :
Please try to login to webmail to check if you have the right password. If Yes or No, try resetting the password for your email account with the help of your Internet Service Provider.
Problem with Sending emails (Sending 1of x)
This is a very simple issue
Cause : Hidden read receipts will be stuck in the Outbox
Reason : You ISP does not allow you to transmit these receipts which are hidded and will be stuck
Solution : Use the free tool from the link...
Remove the email account
Delete the .OST file for the problematic email account
Add the email account ( Using Outlook Hotmail COnnector )
Once finished, close and re-open Outlook
Change the Download Mode for this email account to download only...
Open Outlook > Right click on Personal Folders > Data File Properties
Click on Upgrade to Color Categories.
Note : you might not get the same color what you have given earlier and this works 80% of the times.