Thanks for the replies, every thing seems to be back to normal.
After checking "Internet Options" and anything els I could think of, I ran CCleanerwith "Only delete files in Windows Temp folders older than 48 hours" unchecked.
I'm not sure if that fixed the problem, however after doing that and rebooting Windows, things are back to normal.
I first noticed the problem after launching a 2nd IE7 "multitasking" I guess, two browsers running at the same time.
I've been using IE7 for about 5 months.
Is it worth doing a "HJT" and posting it?
Not sure if this means much, IE7 was starting with the wrong page, however clicking the home page button still took me to my proper home page.