shrinking c drive size

I have a intel solid state drive that is being used as the system drive (c:). The drive is aboutr two years old. It has lost about 10 GB of memory over a period of time.  I have seen nortons av temp files grow on other pc in the past but don't see that happening with any files on the c drive on this pc.  I have installed recently the treesize application and it hasn't shown any files that have changed dramatically in size.  Report is attached. I have also turned off the page file and then started it back on again, and yes I gained a little but not much.  I have run dskchk / f.  ANY idea's what could be eating space?
jploesslAsked:
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David Johnson, CD, MVPOwnerCommented:
SSD's have a limited lifespan, each cell has a limited number of writes. Have you enabled trim on the drive?

No treesize report attached.. Hint: run treesize as an administrator for accurate results

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sognoctCommented:
don't see any attached file ... but for cheking diskspace usage, I really love SpaceSniffer.

For gaining space there are some useful tips :
http://www.lwcomputing.com/tips/static/bootdrivesize.asp

as last (but only last) option ... deleting service pack backup can give more free space

to check health of your SSD drive try Crystal Disk Info:
http://crystalmark.info/software/CrystalDiskInfo/index-e.html
McKnifeCommented:
SSD aging does not eat space.

Updates do and really mentionable amounts. 10 GB is not unusual. Deleting service pack files is possible, but that will not free anything like 10 GB. You'll have to live with the space-hungry updates if that's the outcome of treesize... this would show winsxs as being huge, right?
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tailoreddigitalCommented:
Just an extra idea,  

I haven't used SpaceSniffer, it might be great,   but if you find that SpaceSniffer isn't what you're looking for, i've used this utility for specifically that reason,

http://www.mindgems.com/products/Folder-Size/Folder-Size.html


It's free and has zeroed me into exactly what's using up space in a minute, many times.

Good Luck
nobusCommented:
windows 7 has trim in-built, so that's no problem
>>  It has lost about 10 GB of memory over a period of time  <<  how do you know?
what SSD model is it?
did you run the intel toolbox on it ?  http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=18455
LeeTutorretiredCommented:
I've requested that this question be deleted for the following reason:

Not enough information to confirm an answer.
jploesslAuthor Commented:
thamnks for all your comments
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