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Windows 7: Windows says hard disk is full, despite TreeSize disagreeing.


15 Apr 2014   #1

 
 
Windows says hard disk is full, despite TreeSize disagreeing.

Hi. I'm having problems with a Win 7 Machine.

It is constantly coming up with disk is almost full errors, and when you look at Explorer, it shows 2Gb of a 111Gb drive left.

However, since I noticed that, I've moved 27Gb of data off the machine from old user profiles and 12Gb from an old .ost file. That should have cleared about 40Gb, but it's still sowing as only 2Gb remaining.

I've loaded Treesize, and it shows 70Gb usage, with 41Gb free, but explorer still maintains it has 111Gb used and only 2Gb Free.

Any ideas?

My System SpecsSystem Spec
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15 Apr 2014   #2

Windows 7 Ultimate x64
 
 

Recycle bin?
My System SpecsSystem Spec
15 Apr 2014   #3
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Did you reboot
My System SpecsSystem Spec
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15 Apr 2014   #4

Windows 7 Ultimate x64
 
 

How might rebooting help?

One might need to press F5 to make Explorer refresh the free space it reports in a window that was open while the deletes were done through another window, but if the OP's running TreeSize and whatnot, I figured he probably opened a new Explorer window, got Properties on the drive through Explorer, etc, any of which is going to report the current state of the drive, no reboot necessary.
My System SpecsSystem Spec
15 Apr 2014   #5

Windows 7 Pro. 64/SP-1
 
 

crawfish I think a better question would be: How can rebooting hurt. It's free and solves many things at times.
Many time a reboot will just give Windows 7 a fresh look at things.
My System SpecsSystem Spec
15 Apr 2014   #6

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
crawfish I think a better question would be: How can rebooting hurt. It's free and solves many things at times.
Many time a reboot will just give Windows 7 a fresh look at things.
Seriously? So after you move or delete files, it's reasonable to think rebooting may be just the thing you need to do to get Explorer to correctly assess what's on the disk. I've not encountered that necessity, nor have I ever heard of this serious flaw in Explorer, hence the question I asked of the person who suggested it. Pending his reply, the OP might want to consider the things I suggested which will ensure Explorer gets a "fresh look" without resorting to a disruptive, unnecessary reboot, assuming he didn't do the first thing I mentioned, which was move the files to the Recycle Bin, which rebooting wouldn't "help" anyway.
My System SpecsSystem Spec
15 Apr 2014   #7

Windows 7 Pro-x64
 
 

I don't trust TreeSize anyway. It can't see a lot of hidden files. The free space may have been gobbled up by Windows as soon as it was made available. Things like the Pagefile, Restore Points, SuperFetch and probably a few others I can't recall at the moment, may be sized dynamically based on free space.
My System SpecsSystem Spec
15 Apr 2014   #8

Microsoft Windows 7 Home Premium 64-bit Service Pack 1
 
 

All files have to be stored in one or more file allocation units, disk clusters that, if you set them too big, it will just end up costing too much space every time you store little files. By default, NTFS formats with 4K clusters.

After having said that, I got to thinking, how much space is being taken up by System Restore?
My System SpecsSystem Spec
15 Apr 2014   #9

Windows 7 Ultimate x64
 
 

To me, it sounded like the OP checked right after freeing 40 GB, as he found exactly the same disk usage as he did before freeing the space. I don't think even Microsoft could uselessly eat up exactly what was freed that fast. I don't see how the cluster size could be a factor.

One thing just occurred to me. If the OP isn't doing this already, start TreeSize using "Run as adminstrator". That will let it look inside System Volume Information folders and other forbidden places.
My System SpecsSystem Spec
15 Apr 2014   #10

Windows 7 ultimate 64-bit
 
 

Quote   Quote: Originally Posted by crawfish View Post
To me, it sounded like the OP checked right after freeing 40 GB, as he found exactly the same disk usage as he did before freeing the space. I don't think even Microsoft could uselessly eat up exactly what was freed that fast. I don't see how the cluster size could be a factor.

One thing just occurred to me. If the OP isn't doing this already, start TreeSize using "Run as adminstrator". That will let it look inside System Volume Information folders and other forbidden places.
Agreed. It will do that if you run it as administrator; otherwise it may not let you "see" everything as far as size counts, etc.
My System SpecsSystem Spec
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 Windows says hard disk is full, despite TreeSize disagreeing.




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