hi
First of al i want to know which windows you use?
if you use XP HomeEdition, I have some tips, It maybe helps you!
First of al you must delete Windows Messenger NOT LIVE MESSENGER!!!
And Also Delete MSN Explore from your PC.
If u can`t find the both softwares in Controlpanel or don`t how u do delete it, then follow constructions below:
Go to controlpanel
click on Software
click left on screen on Add/Remove Windows component
there seems a window with wizard windows components
Now you must Remove MSN Explorer and Windows Messenger from list.
And restart your Computer.
And Go once agian to Add/Remove Windows component, now you must add MSN explorer and Windows Messenger in that list.
it works 100% sure.
And if u can`t add MSN explorer and windows Messenger agian, add them from your Windows Xp Disk. Or You can download them from below Websites.
Windows Messenger: Download details: Windows Messenger 5.1
MSN Explorer: Explorer.MSN.com
I Hope i solved your problem.. Succes.