Disk defragmenter will not run or start in Windows 10/8/7


  1. Thank you so much! I’ve tried many other fixes but none other than this worked. I’ve needed to do this for a while too 🙂

  2. while doing your first suggestion, I found that “Disk Defragmenter” is not listed as one of my services. How do I get it installed?
    Thanks eddy

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