Dear Sir / Madam From last some days, whenever I go online and run my IE (Windows XP Prof.), I am receiving following massage: [ RUNDLL An exception occured while trying to run "c:\windows\system32\msg121.cpy.dll", UMonitor" OK ] When I press OK nothing will happen, I means my system run smoothly. My Q is what is this msg121.cpy.dll and what it is doing?? Please help me to solve my problem. Thanks. Regards.