Internet Explorer Doesn't Like Blogger/Blogspot
Update: It appears that the conflict is between SiteMeter, a tool that many of us use to get statistics about visitors, and IE7. Switching to Firefox as your browser solves the problem! I'm checking for options other than losing those stats by removing the counter because SiteMeter provides a set of stats that isn't available via Google Analytics.
Update 2: I'm told that this fix found at Little Green Footballs in the comments works for people browsing:
QUICK FIX! QUICK FIX! QUICK FIX!
If you're suffering these problems in IE7, add "*.sitemeter.com" to your list of restricted sites. That will force IE to reject the bad code. I was having the same problems and now they're gone.
1. Open menu item: Tools...Options
2. Click "Security" tab
3. Select "Restricted Sites"
4. Click "Sites" button
5. Under "Add this website to this zone", enter "*.sitemeter.com" without the quotes
6. Click "Add" button
7. Close windows using "Close" or "OK", not "Cancel".
After that, and without a restart, Sitemeter's thwartage is thwarted!