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Hard disk mysteriously full

Hi experts,
I've got a laptop with a 40 GB hard drive, Windows XP home, SP2, that my wife uses. It's not heavily used, only MS Office really, and has anti-virus and spyware running on it. Normally I'd have expected it to have loads of HDD space, but recently she brought it to me saying it was telling here it had run out of space.
Looking with Explorer, it had only about 100 MB free. I tried to locate any big files, and found few over 10 MB. I found a large number of .cab files which I thought were used update files, so I deleted them, but that now still only leaves it with 33.8 GB used, 1.12GB free.
If I search for *.* using Explorer, I only find about 400MB total of files >10MB
If I use a program called Disktective which I find quite handy for analysing disk usage, it show the vast majority is used by "Windows" - 29.4 MB, 89% of which is "Installer" - but it can't show me exactly what these files are.
So wherever the majority of the used space is, I can't account for it and free it up.
Can you help please?
Thanks,
Stuart
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StuartOrd
Asked:
StuartOrd
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5 Solutions
 
venom96737Commented:
sounds like you got yourself a nasty little virus run antivirus software and see if it clears it up.  I like pandasofts free active scan but use whatever you have you could also run hijackthis and see if you can analyze the log at http://www.hijackthis.de/en and post a link to the log here see if we cant sort it out.
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nobusCommented:
did you run a scandisk for errors, or chkdsk /f yet? can help.
If a virus is suspected, i always run ALL these, updated :

     adaware :      http://www.lavasoftusa.com/
     Spybot :        http://www.download.com/3000-8022-10122137.html
http://housecall.trendmicro.com/                                                               online scan for trojans
http://www.spychecker.com/program/hijackthis.html                                   download
http://www.hijackthis.de/index.php?langselect=english                                check the log
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StuartOrdAuthor Commented:
Our virus checker AVG (Grisoft) is up to date and has been run
Adaware and Spybot have been run
The hijackthis logfile is here: http://www.hijackthis.de/logfiles/8a6e934d3c43510f85f3b729e323c452.html
I'll try scandisk now
Thanks
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nobusCommented:
you should remove this one :

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =

Do you use the ASAP software? if not, remove that too
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venom96737Commented:
ok no virus so the deal is probably a bad harddrive if scandisk doesnt fix it then run the diagnostic tool from the website of the maker of the drive if it reports bad sectors it cant fix you have 2 options do a low level format and hope it cures it or replace the drive.
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MereteCommented:
could be filling up the restore and temp foders,
go to start all programs accessories  system tools disc cleanup, run  it,
it will calculate C drive  but before you run the disc cleanup go to More Options remove all but the most recent restore point.
click on cleanup
You can also reduce the amount of disc space to allow for system restore: r/click my computer in yoru startup menue as some desktop icons are just shortcuts> properties system restore> here you can see the settings menue click on this and reduce it to 1% which is about 1098 megs and is sufficient.
Another area is internet explorer saves all your temp files to temporary folder you can change how much storage space by opening the settings in IE6 internet options.
Reduce it around 200 megs.
drfragging will improve disc size and allocation of files.
R/click C drive properties defrag and hit the analyze to see if there a lot of red, once it analyzes you'll have to close the analyse to see the graph.



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StuartOrdAuthor Commented:
Tried to use pandasoft and it was taking hours (literally) - so stopped unfinished. However it was spending a lot of time in a path which wasn't shown in full but had ...installer... in it. Sounds like the section identified by disktective. However I can't find it with windows explorer. Does this suggest anything?
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callrsCommented:
http://www.ccleaner.com/                CCleaner - Crap Cleaner free software download - Spyware FREE
"CCleaner is a freeware system optimization and privacy tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. But the best part is that it's fast (normally taking less that a second to run) and contains NO Spyware or Adware!"
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venom96737Commented:
You cant get anymore of the path than just installer????????
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venom96737Commented:
tell you what run windows installer cleaner see what it comes up with it can be found here http://support.microsoft.com/default.aspx?scid=kb;en-us;290301
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MereteCommented:
Have you checked the recycler bin is empty?
at start>run>
type in CMD press enter  and type chkdsk C

if you have Norton File Protection (which comes with Norton Utilities), turn that off as well for that drive.
Opened the Disk Mgmt console and look at the partition reports.
If you manually select all the files and folders and check the "size on disk", it's reporting ???.  But if you look at the properties of the drive, it shows ???? in use.
rebooting may fix this.

Check your Folder Options - View settings again. Do you have:

Show hidden files and folders selected? enable show all.
Hide protected operating system files unchecked?

Use JDiscReport to check as well.
JDiskReport is a disk analysis utility, that allows you to view disk space usage with the help of graphical, interactive pie charts
http://www.snapfiles.com/get/jdiskreport.html
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StuartOrdAuthor Commented:
Thanks, sorry I've been distracted from this one.
Yes, recycle bin is empty.
JDisc is great - got it running on my PC now - but it won't work on the problem one as too little disk space! Also it needs Java and the setup says the Java installation is faulty.
Yes, folder options were hidden files visible. No, I hadn't revealed hidden op system files before.
I can now see the c:\Windows\Installer folder. It has 26 GB in 1800 or so files. Many of these are the same size. So I've deleted them, and I've got the space back. Great!
Many thanks.
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MereteCommented:
cool, your wellcome and thank you
Merete :)
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dmjendCommented:
If you use file synchronization it can sometimes create multiple copies of the cached copy thus filling up the drive.
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