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Hello everyone !


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As for my first post, this will be "Yet another "Unmovable" file question".


But, first I want to say that I've been using Smart Defrag for a while and

am quite satisfied with it's performance and ease of use.


SD is set to auto defrag C: drive (system drive), and has been since I first

installed SD.


I defrag my E: drive (manually) monthly. I've been reading the forums about

unmovable files but can not see any definitive answers as to "what" they are

and "what and why" they are there.


Can anyone really help me, (and others), with this issue?


Here is my C: drive.




And here is my E: drive.



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Hi MoonMe2, welcome to IObit Forum! :-D


It seems that you are using a fairly old version 2.0.1 of Smart Defrag.

Please update SD to version 2.7 from the download button link in Smart Defrag 2.7 ( is available! (NEW) thread and then give us the screenshots again.


It will be useful if you also give us screenshots of your all settings.


BTW, did you have a chance to read the posts in Think about Defragmentation!!! thread? There are useful information there.



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Hi MoonMe2

The unmovable files are not always the same, it also depends on you machine - the programs and your setup and settings.

To find out some of it you can try to look though the reports of especially the boot time defrag to see which files are being defragged when that option is run.

This will tell you what files were unavailable (unmovable) during the previous normal defrag - in that way you will be able to see what some of the "unmovable" files were.

Do you have a special interest in these files?



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Hi guys. I hope you all had a nice weekend. I've installed the latest version of SD and analyzed both my drives again.


@enoskype: Which setting are you referring to?


@solbjerg: First, do these files really take that much space?...and second, if I can determine what these files are, and see if they are unnecessary for the proper running of my computer, I'd like to remove them so that I can defrag and fully optimize. I believe these unmovable files are hindering the performance of my drives.


(Just look at the huge gap the heads have to travel over) :smile:


Here's my C: drive




...and here is my E: drive



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Hi MoonMe

Do you run the defrag with a lot of other programs open?

Have you elected to keep a lot of restore files on your computer?

What settings do you have regarding what files to exclude from defragging?

Have you tried the Boot defrag? If so what files were defragged?

Have you ever run a Chkdsk?

The settings we are talking about are the program settings - found under "More" in the top line of SD.

How large are your harddisks? Disregard that question - I found the answer in your screenshots

♫ These were a few of my favourite things ♫



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