Shoutbox

Make sure that Messenger and Messenger Plus are both running. Hit Ctrl+Alt+Delete, click on the tab at the top called processes and look for msmsgs.exe and MsgPlus.exe...make a not of their reading in the Mem Usage column. Then exit out of MSN Messenger (not sign out I mean right click on the Messenger icon and click on exit) and then go back to the MsgPlus.exe process and click on End process...
then start up MSN Messenger and make a note of msmsgs.exe's mem usage...then tell us the results...The following information may also help in solving your problem;
Your computer's rough specifications (including your version of windows and processor speed).
Defragmenting your hard drive may help this problem. To do so do the following...Start > All Programs > Accessories > System tools > Disk Defragmenter > (click on your hard drive most likely C:\) then click Defragment. Please note this may take a while, and is not guaranteed to solve your problem.