CCleaner not working after installed Explorer7

After i installed Explorer7 i found out that when im searcing the net, it wont clean the highlighted links i have visited. It did that before. Is there something i can do about it?

After i installed Explorer7 i found out that when im searcing the net, it wont clean the highlighted links i have visited. It did that before. Is there something i can do about it?

Same problem.

The section Autocomplete (not password) is not cleared in IE7. In IE6 it works.

Can anyone explain that?