IE6 Browser locks up... HELP!!!!

You guys helped before. I hope you can help again. I'm using WXP-home
with IE6. The problem is for the past 2 weeks the browser "LOCKS UP" and
stops responding when I click the little down arrow in the right had
corner to pick a website to visit. It also locks up if I try to type an
URL in the address window. What the hell can it be this time???? Then I
get the send error window to send MS the error and IE6 closes. Sometimes
a reboot helps - sometimes it doesn't. And unlike W98 I don't see any way
to fix it through Add/Remove programs.... HELP!!!!! I need to upload
files via my isp's ftp and that locks up too. Please... what can I do????
In essence.... I have NO BROWSER!!!!

FS.......