System drives are badly fragmented. Move each fragment into a gap that fits it until the disk is one solid stripe. Fewer moves is better.
Defragmenting Drive
Defragmenting file system...
0% Complete
Defrag Legend
Optimized (defragmented) data
Data that's currently being read
Data that's currently being written
Unoptimized data
Free space
Bad (damaged) area of the disk
Disk Defragmenter
Defragmentation of Drive
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