this is actually a long running bug in Internet Explorer, it occurs with many cleaners. IIRC it has to do with index.dat corruption, or history can't remember and maybe has to do with IE being set to delete temporary files after last window is closed. Try to uncheck index.dat in ccleaner and if that doesn't work uncheck history.
The symptom is the same (certain websites not loading properly). And I thought the CNBC webpage allows one to consistently reproduce the problem (you can see exactly what not loading properly means).
In response to Nergal's reply on 30 March 2013 in the 38312 topic: I have never had the same problem with IE8 or IE7. I have documented how to fix the problem above. You shouldn't need to reboot.
So it looks like we have at least three topics on the same problem:
while it may not have happened for you ie8,ie9 doesn't change my theory of the problem, it randomly strikes and does not always happen to a user every ie build
I am happy to report that the problem appears to be fixed with CCleaner 4.02.4115.
You do need to "Delete browsing history" first:
Go to Internet Options, Browsing history > Delete...
Make sure "Cookies and website data" is checked.
Click Delete, wait till you get "Internet Explorer has finished deleting the selected browsing history." notification.
Then, running CCleaner 4.02 no longer causes the problem.
It seems CCleaner 3.26 through 4.01 corrupted IE 10 data. But CCleaner 4.02 does not.
"Delete browsing history" fixes corrupted IE 10 data, and with CCleaner 4.02 no loger corrupting IE 10 data, things work great.
I am sure people appreciate Nergal volunteering to be the moderator. But I wish Nergal would have taken me (and other like me) more seriously in the future. The problem I reported could be consistently reproduced every single time. It was not random.