A reader asks: Why does Disk Defrag fail, despite plenty of room?

Reader Oystein Ravner asks (via the CONTACT link): Hi Fred! I am glad you are back! Problem: W7 Disk Defragmenter. System Disk is successfully analyzed, but with result 41% fragmented. Clicking ‘Defragment Disk’ leads to nothing. System Disk has capacity 100MB, free 70%, status Healthy. Why is there no defrag action when Microsoft advises such … Continue reading A reader asks: Why does Disk Defrag fail, despite plenty of room?