Every time I write an email, after about 50 to 100 characters are typed the system freezes for about 10 seconds - then I can continue. This is highly frustrating. IN FACT I've just noticed the same thing is happening as I type this thread! Any ideas what's wrong? (I have Internet Explorer 7 installed so perhaps this means Outlook Express is also 7? I can't tell...) I have cleaned the Registry, optimized the RAM using System Mechanic 6 but the problem is now so bad I can hardly type this message. I use XP Pro Service Pack 3 .