Shoutbox

well try the jao advice if it works then congratz... other try this one...
STEP 1: first of all unistalll all the msn stuff like msn msnger and msgplus with plugins

STEP 2:  delete the folders of msn msnger and msgplus and other msn msnger stuff (if hav)

STEP 3: delete the registry of msn msnger  (plz dont touch registry if u r novice of it)

STEP 4: restart ur pc and reinstall only msn msnger latest build if it works then install the stuff u want ..

keep us update abt ur problem .....