Created attachment 640651 [details]
Description of problem:
If there is not enough free available space for installation, we can follow the instruction to go to the "RECLAIM DISK SPACE" dialog, but the "Reclaim space" button can not be used. See the screenshot in attachment.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
You need to click on "Preserve" in the Action column which will cause a drop-down to appear. We need to make this obvious, which is why I'm going to dup this to another bug.
*** This bug has been marked as a duplicate of bug 866209 ***