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BurtAndersonFlag for United States of America

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Bloated Windows directory

I've got a workstation on my network running XP Professional. It's got an 80 GB drive, and Windows is bloated to 45 GB. For comparison, on my own workstation Windows is almost 8 GB.

I've been looking at folder sizes, including hidden folders, and nothing is jumping out at me as the culprit. IE cache has been cleared. Any suggestions as to what could be causing so much space to be lost to the OS?
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Maybe it's System Restore.
Try to check System Volume Information folder size.
But by default only system has permission on it, so go to security tab and give yourself (admin), full control permission and check it.
Good Luck
You can use DIRUSE from the 2003 Support Tools to search for large folders.

For instance, the following command will display all directories over 300 MB in size:
diruse /S /M /Q:300 /D C:\

cleanmgr.exe in run window.


delete the pagefile by computer properties, advance, settings, advance, change, no paging file, set.


delete windows\prefetch folder

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Thanks for your responses.

I'll give these a try after an AdAware scan has finished. Funny thing is that I freed up 76 MB earlier today, and that space was gone in a matter of hours. Something is filling up the drive, almost as soon as space is available.
Oh! Yes

before restart, turn-OFF [system restore] also at computer properties.

The answer was right under my nose, I just didn't know what to look for.

Files were stored at C:\windows\CSC. Client-Side Caching.

As soon as the workstation connected to the network, it dutifully filled the hard drive with files from the server. CSC has been turned off, files deleted, and 40+ GB freed up.

SysExpert's advice on TreeSize ( was what pinpointed the issue, so he gets the points.

Thanks everyone, good advice on all accounts (rionroc's advice freed up about 2 GB), but only one led to the solution.

It wasn't the full answer, but it showed the way. Thanks!