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Windows defragmenter - conflict with Smart Defrag?

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Hi there,


Basically, fragments are created every minute when your system is running. None the defragmenter is able to make sure there are no fragmentations on your PC. Even if there is some, it won't influence the disk optimization and durability. You can disable Windows Defragmenter with Smart Defrag.



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Hi Cicely,


Can you pass the following suggestion to IObit?:


When Smart Defrag is installed, to automatically disable windows built in defragmenter schedule, and if Smart Defrag is uninstalled that the uninstaller automatically re-enables windows built in defragmenter schedule. This to avoid having two defragmenters running and undoing defrag/optimization each other.


I’m asking for this because by default when smart defrag is installed the windows defrag schedule is left intact and so it is executed and undo what smart defrag has achieved.


And this to comply with the basic rule and principle:




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  • 9 months later...
  • 2 weeks later...

@Cicely totally agree, that is why it is key for implementing a feature so that when Smart Defrag is installed to automatically disable the schedule of the Windows built in defrag, it can be either implemented as an optional change when installing the program (to explain the user and let the user decide) or also can be implemented as an option in the settings



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  • 4 months later...

If you can, move to a different drive (or better yet delete) the most

fragmented files as noted on

the report that barcabod told you about.


that should reduce the space requirements & also do some of the work for



I prefer perfect disk to O&O or diskkeeper... but only used in this way:


do an offline defrag first - no matter what it tells you to do.

then do a quick defrag only

then do a windows defrag.

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  • 1 year later...
As the Windows built-in defrag run regurlarly, Smart Defrag may not defrag automatically when the fragmentation rate didn't reach the condition.


If you use Smart Defrag then Windows defragmenter should be switched off....and vice versa........they have completely different processes and undo each others work.

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