Windows : Unknown Disk Space Allocation

Apr 21, 2009

I've bought the pc, whose I'm writing, 3 weeks ago. I found that the unit C: has 70.7 GB of free space, but I haven't put in my HD this amount of memory (73.3GB). If I go to "My computer", then in directory C: and I press 'Select All and then Properties', it appear that I've used "only" 50.3GB. I ask you what is the source, of the "lose" of 20.4GB And I find this so uncommon, because I think that I haven't putted 50 GB (including the OS) in my main HD.

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Windows Disk Fragmenter Easting A LOT Of Disk Space

Jun 17, 2008

I am a relatively unexperienced windows vista user using windows home premium at 32 bit on an acer aspire 6920 notebook. I noticed that occassionaly my disk space would drop dramatically without me doing anything. 100s of mbs would just disappear for no reason, so probably being stupid i decided to run the disk fragmenter to try and fix the problem. BUT to my horror i was shocked to find that the disk fragmenter began to eat up my hard disk space big style. I went from 79.7GB to 72.5GB in just over an hour. What the hell happened and can it be fixed? can i get my disk space back? i thought the disk fragmenter was supposed to help your computer not rob it. does anyone else have this problem and can someone please help me? im kinda desparate, i cant believe it.

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Apr 1, 2008

I have Vista Home Basic, and i have decided to reinstall windows, start with a clean slate so to speak. However when it reinstalled, it just installed another version of vista in the same drive. How do i clean the drive and then install windows? Giving major problems as my computer is now running on low disk space!

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Feb 23, 2008

When I am installing Vista 64... "Where do you want to install Windows?" - Window heading Both the HDDs come up on the screen and under 'name' heading its says.... "Disk 0 Unallocated Space" and "Disk 1 Unallocated Space". There is an option "format" but its greyed out When I select either of the HDDs there is a warning message at bottom of screen saying:"This computer's hardware may not support booting to this disk. Ensure that the disk's controller is enabled in the computer's BIOS menu.". Then when I ignore this warning and click "next" it says... "Windows is unable to find a system volume that meets its criteria for installation" Neither of my HDDs will work? Both brand new... there is something subtley wrong but I cant see it.

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Jun 14, 2008

i reformatted my whole c drive and then clean installed vista ultimate onto it and at start i had 268Gb out of 274Gb. now its gone to 243Gb and i've only installed a couple of programs and when i highlight everything in the c drive it says its 7.38GB. I've Defragged it a lot of times and the space keeps on going down.

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Feb 21, 2010

Recnetly I noticed I had a 4th hard disk drive instead of 3. The strange thing is that I can't remember adding one.. I just got my 2 internal hard disk drives and 1 external hard disk. But now it shows 4. Also, when I try to open this 4th hard disk it gives an acces denied error message. Also, I'm unaible to scan the hard disk. For my other hard disks, when I right click, I got the option to scan for virus. This option isn't in the list when I right click this new station. Here are the menu list by right clicking on the HDD's.

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Operating System Unknown Local Disk Woundn't Boot

Feb 6, 2010

I'm running Vista Ultimate 64 on a 500 Gig hard drive with 3 partitions.The problem is I marked one of the partitions,not Drive C, as "active" by mistake.I done a Command Prompt to make it "inactive", but when I started the system up again it wouldn't boot.I used the Vista disk for the recovery process, but I got a message "Operating system unknown on (unknown) local disk" i tried fixing the problem with a command prompt "bootrec/fix boot" ,but nothing happened.When I look at the info in Command Prompt it doesn't show the disk partitions, just Disk 0.Also I can't repair because no Disks are listed to be repaired. If I look at the drive in "My Computer" it is full with a file system marked as "Raw" and it wants me to format the drive.I used "Recover My Files" software and it shows some of the documents that are on the drive, but doesn't show any recovery.I looked at some internet post about the message I got and partition and boot problems like I have, but at this point I don't to try any else to make it worse.I would do a reinstall ,but on one of the drives I have some stuff that wasn't backed up.I never thought about backing it up because it wasn't on the C drive.

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Apr 27, 2009

I have a Fujitsu Siemens laptop with 120GB hard drive. My problem is, there is only 78.2GB space left on it. I have hardly anything on it really so I am wondering where is has all gone. I have turned off the system restore and then turned it back on. I have run CCleaner, defragmented, done disk cleanup, so I dont know what to do next. I ran TreeSize and according to that there is 13,243.3MB taken up in the Windows folder and 10,099.7MB taken up in the Users folder, all the rest of the folder dont have that much in. Can anyone shed any light on this problem and tell me if I can safely delete any of these files to free up some disk space.

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Apr 4, 2008

I have an acer laptop which for various and assorted reasons I want to throw out the window. Problem of course is that I can't afford another laptop so I am forced to make the best of it. My main source of irritation right now is that I am constantly running low on disk space.........

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Jan 9, 2010

I run Vista home premium x64 and kept getting a low memory msg. for my recovery disk (D). I used vssadmin.cmd under administrative privaledge to increase D by 200GB. I still get the Low Disk Space warning and all backups fail due to lack of memory. What is the fix?

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Aug 17, 2009

I wanted a fast drive, so I bought a solid state drive. But I'm a poor college student and so got the 64GB one, which only has 58GB of space (because Lenovo put something on a separate partition which they say I cannot get rid of). The only thing installed is WinVist and MS Office 2007 (and McAfee and other progrms that came with the PC which weren't taking up much space).

Those two programs took up 30GB of space. Yesterday, some Windows backup thing started to run and said "There isn't enough room on this drive to do the backup, do you want to do it anyway? (I'm paraphrasing)". Since I like having things backed up, I said Yes anyway (and to see what happened). Now I have 1 GB free on my drive. Lenovo won't help me with Windows because that's "a configuration issue" and they don't do that. How do I get rid of this backup and get at least 20GB back? Then, how can I configure Windows and Office to take up less disk space?

It seems like Lenovo sold me a PC with a disk drive that doesn't have enough space to operate correctly. And they won't help me resolve the problem. Also, it seems that it is not as easy to separate your data in WinVista as magazine articles would have you believe. I tried configuring it so my "Documents" was on another external drive, but that proved too difficult.

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Aug 21, 2009

I have a 160mb internal hard drive with 1 partition (ntfs). Vista sp2.When viewing drive info 3rd party software is showing the used space and also 10mb of unallocated space.

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Aug 26, 2009

Vista Ultimate 32-bit SP2. I have noticed that during the course of an average week, the amount of available disk space on both my C: and D: drives varies by up to 15GB even though no significant activity in the form of manipulating files or installing programs is taking place. It might be 20GB available one night and then magically it's up to 35GB in the morning. The pattern is usually that it will reach a high and then gradually do down each day until it jumps back to the maximum all of a sudden. What could be causing this? I do not have System Protection turned on so the space is not being used for System Restore. The C: and D: "drives" are actually partitions on the same physical disk.

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Mar 23, 2008

I have Vista Home Premium on my one yr old HP laptop. I keep getting a popupindicating low disk space on my "D" recovery drive and have to delete files from my trash. Since the "D" drive is FULL, I have NEVER been able to do a full backup. I have not saved anything to the D drive. A friend suggested one of my 'spy security' programs had saved data there. I had 'SpyBot' but uninstalled it. I still have WeBroot Spy Sweeper, Adaware, and my Norton Anti-Virus running. Is there a setting that will allow an overwrite of the data in the D drive?

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Feb 28, 2009

I'm missing a 100GB out of 150GB of my hard disk. I deleted all previous restore points backups, but no memory freed!

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Apr 18, 2010

I run a VMware setup with Vista (64-bit) Home Premium as the Host system, and Vista (32-bit) Home Premium as the guest system. Although I have only 16 GB devoted to the guest system, at one point recently I was only using not quite half of that space. Now, when I click on Computer, I am finding that there is literally no free space. If I delete some software, this freed up space gets consumed also.

How do I go about finding what it is that is clogging this allocated space? The only changes that I have made to the guest system is the addition of Malwarebytes Anti-Malware software.

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Jul 6, 2008

how I would "transfer" disk space from my partioned D drive to C drive? Just tp try, I've already "unallocated" 1G, and now have no clue what to do with it - lol (I did not request the drive be partioned

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Mar 31, 2008

I have Vista Home Premium running on a Dell Inspiron 1720 laptop with a 120 GB hard drive. I keep getting the low disc space on C: error message, and when I click on My Computer, it says I only have 189 MB of free space on the C: drive. However, when I click on the C drive, highlight all the folders, and click Properties, it says I am using 26 GB of space next to "size on disk". I tried to solve this problem about a week ago by moving 30 gigs of music to an external hard drive, but the C drive has filled up again even though I have not added anything to the C drive. I've also tried using disk cleanup and defrag, but that hasn't worked.

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Feb 9, 2010

I seems to be getting a large number of temp_someFilename.zip in %temp% folder lately like 10 GB in two days. I deleted them a couple of days ago and got disk fill message today, seeing a large number of temp_....zip again in %temp%. what is causing this? windows search?

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Mar 20, 2010

when i try to install software it comes up with (drive)not enough disk space..when i have 30gb left.. when i attempt to create a restore point twice 1st came up with 0x80070070 and 2nd was. when i load a picture it says not enough picture please close some apps/free up disk space. when i uninstall a software it says an error occured while writing installation information to disk.check to make sure enough disk space is available, and click retry or cancel end the.. my computer has 1 harddrive split into C and D partitions...its an ACER 57357 with 4gb ram,2.16ghz-667mhz fsb-1mb l2 cache, 320gb harddrive, 4500m intergrated graphics

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Apr 3, 2008

On Windows Mail (I am running 32-bit Vista) every few hours when I go to open a new folder a message appears where the message thread is usually shown which says that the message can't be shown because of low disk space and system memory. It does not appear to be because of a stuck email, as there are no emails in the Outbox and everything sends OK. Also, it happens when I click on random folders, from being in an existing folder.

For example, I may be in my inbox and want to check sent messages, so I'll click on the sent folder and then all messages will be hidden in all folders, and I'll just see the message about low disk space etc. If I exit Windows Mail then open it back up, the problem remains, though if I restart the computer it goes back to normal, for a few hours

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Mar 23, 2008

Hey again I???m here as a new user of vista and Im going trough a bunch of problems. As for now one day I ran the diskeeper and some how I lost 45 GB of hard disk space for no real reason. After that I ran it again but it didnt help, I don???t know if it has to do with the diskeeper or maybe some other type of problem with the computer applications.

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Feb 11, 2009

I've got a 3-yr old Dell laptop that I recently upgraded to Vista Business from WinXP Pro with SP3. It's a spare for the staff and it has been checked out. The staff member came back to say the HDD was almost full, I checked and saw that only 7 GB of the 80 GB total was free. So I uninstalled a bunch of programs and windows components she didn't need or want, ran Disk Cleanup, Defrag .... I was only able to reclaim 3 GB. Downloaded a trusty defrag program I use - JK Defrag - and ran it. Only gained another GB. Rebooted a couple times and re-ran JK Defrag. No gain. Checked the folder sizes and saw that the WINSXS folder was huge. Checked it via Google and saw that I can't really get rid of it.

Short of re-formatting the HDD and starting over, what else can I do to reclaim disk space? I'm guessing that Defrag and JK Defrag aren't doing so well becuase they have less than 10 GB of "wiggle room" to work with.

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Jun 9, 2009

I have Windows Vista Home Premium running on an HP Pavilion laptop computer. I have noticed that my disk space usage doesn't add up, because my total usage always exceeds what I can account for by 20-30GB, even after I have included hidden/system files (or so I believe). However, I recently installed SP2 for Windows Vista Home Premium, and noticed that somehow a large amount of space (around 20GB) on my system disk had been recovered during the installation.

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Mar 24, 2008

Before starting the SP1 installation (full SP1 installation disk - downloaded) I had 70GB free space on C drive. After completing the SP1 install I have 95GB free space.

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Feb 29, 2008

i was just wondering why defragging my computer consumes approx. 10GB of hard disk space? and if there is anything i can do to regain that space, or prevent it from happening in the future. i have tried the disk cleanup function which helpfully regained nearly 60GB of system restore files during an unrelated loss of disk space, but disk cleanup did not work for me this time after defragging.

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Mar 28, 2008

Is there any way to change the amount of disk space used by the System Restore system for storing Restore Points? Or to delete restore points? I want to try to ensure that I keep the restore point made immediately prior to updating to SP1, and that Point is the oldest one listed. I'm afraid that I'm about to try one thing too many that will cause Vista to delete that Point in order to remain within its set total size allotment.

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Aug 7, 2009

What is the bare minimum for Vista Biz system partition? For Win7, its official requirement is "16 GB", but actually it's 5723MB. What's the case with Vista?

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Mar 23, 2008

Each time I make a DVD with windows DVD maker it uses abour 5-8 gig of space. I have a large hard drive, but I can't continue at this pace for long. How do I reclaim this space?

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Jun 8, 2008

I have a total of around 196 GB of hard disk space in my c:// drive and no data in it at all instead of my operating system(vista) and other installation files. every 1 or 2 days, my free hard disk space on this drive becomes less even though i am not saving anything at all on this drive, The total of all the files including all hidden system file is also different(Less) than the total total used space on my hard-disk. I have had a disk cleanup, cleaned internet files and cookies.The automatic file back up system in system tools is also turned off. The problem has already consumed nearly 15 - 17 gb of my hard disk space and still continuing to do so as i keep using my computer,.

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Dec 1, 2008

I have Vista Home Premium running on a 320 GB hard drive. I keep getting the low disc space on C: error message, and when I click on My Computer, it says I only have 189 MB of free space on the C: drive. However, when I click on the C drive, highlight all the folders, and click Properties, it says I am using 26 GB of space next to "size on disk". I tried to solve this problem about a week ago by moving 30 gigs of music to an external hard drive, but the C drive has filled up again even though I have not added anything to the C drive. I've also tried using disk cleanup and defrag, but that hasn't worked. This seems like a pretty serious problem. What's the deal?

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