WinDirStat shows 244GB unknown space on external drive The 2019 Stack Overflow Developer...

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WinDirStat shows 244GB unknown space on external drive



The 2019 Stack Overflow Developer Survey Results Are InHard drive full, but files / folders don't add up to used drive spaceMy PC has “invisible” files that take up 100GB+ of spacedisk space lost 65GB without reasons on win 7 enterpriseWindows 8 drive shows no space but no data is insideCheck why my hard disk always has no free spaceHow can Windows 10 function on as little as 32 GB of disk space?Almost half of disk space unaccounted for on Windows 7 computerHow would I use Takeown to take ownership of all folders on one drive?SD card has 26gb large “file”Unknown missing space in Windows 7 C: driveWinDirStat Save Report OptionWindows Server 2012 Essentials shows wrong used space on SSDWhy does WinDirStat report less space used than Windows does?Why am I missing 537.53gb of drive space?Hard drive showing 333 MB of used space even though there are no files?Harddisk space used by unknown data on Windows 10Unknown missing space on C driveexFAT shows 3TB used, but no files show on driveCannot Move Files to Hard Drive/Not Enough Room on Destination File System- External HDD with Plenty of Space





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19















I recently noticed that one of my external hard drive seems to be missing a lot of space. It was recommended that I try WinDirStat, as it could help identify how much space each file was taking up. This is the result:



http://i.imgur.com/KU0Yia7.png



As you can see, there is about 244.7GB "unknown" usage.



Doing a bit of research online, the most common suggestion was (a) Recycle Bin and (b) System Volume Information.



(a) As you can see, empty. To double check, I ran Disk Cleanup. It confirmed that it was empty. (Note that a new file appeared by the time I took this screenshot, but it's only 129 Bytes.)



(b) Harder to tell. However, according to various forums, the most common reason for System Volume Information to grow large is due to System Restore Files. I had a look, and it is definitely turned off for this drive, as seen here:



http://i.imgur.com/JZ49qrC.png



What else could be causing this issue? It is an enormous amount of storage to have gone missing!










share|improve this question

























  • "System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

    – DavidPostill
    Aug 30 '15 at 10:23






  • 3





    Did your run windirstat as administrator?

    – DavidPostill
    Aug 30 '15 at 10:28













  • @DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

    – BSnapZ
    Aug 30 '15 at 10:53













  • Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

    – DavidPostill
    Aug 30 '15 at 10:55






  • 1





    I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

    – magicandre1981
    Aug 30 '15 at 18:22


















19















I recently noticed that one of my external hard drive seems to be missing a lot of space. It was recommended that I try WinDirStat, as it could help identify how much space each file was taking up. This is the result:



http://i.imgur.com/KU0Yia7.png



As you can see, there is about 244.7GB "unknown" usage.



Doing a bit of research online, the most common suggestion was (a) Recycle Bin and (b) System Volume Information.



(a) As you can see, empty. To double check, I ran Disk Cleanup. It confirmed that it was empty. (Note that a new file appeared by the time I took this screenshot, but it's only 129 Bytes.)



(b) Harder to tell. However, according to various forums, the most common reason for System Volume Information to grow large is due to System Restore Files. I had a look, and it is definitely turned off for this drive, as seen here:



http://i.imgur.com/JZ49qrC.png



What else could be causing this issue? It is an enormous amount of storage to have gone missing!










share|improve this question

























  • "System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

    – DavidPostill
    Aug 30 '15 at 10:23






  • 3





    Did your run windirstat as administrator?

    – DavidPostill
    Aug 30 '15 at 10:28













  • @DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

    – BSnapZ
    Aug 30 '15 at 10:53













  • Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

    – DavidPostill
    Aug 30 '15 at 10:55






  • 1





    I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

    – magicandre1981
    Aug 30 '15 at 18:22














19












19








19








I recently noticed that one of my external hard drive seems to be missing a lot of space. It was recommended that I try WinDirStat, as it could help identify how much space each file was taking up. This is the result:



http://i.imgur.com/KU0Yia7.png



As you can see, there is about 244.7GB "unknown" usage.



Doing a bit of research online, the most common suggestion was (a) Recycle Bin and (b) System Volume Information.



(a) As you can see, empty. To double check, I ran Disk Cleanup. It confirmed that it was empty. (Note that a new file appeared by the time I took this screenshot, but it's only 129 Bytes.)



(b) Harder to tell. However, according to various forums, the most common reason for System Volume Information to grow large is due to System Restore Files. I had a look, and it is definitely turned off for this drive, as seen here:



http://i.imgur.com/JZ49qrC.png



What else could be causing this issue? It is an enormous amount of storage to have gone missing!










share|improve this question
















I recently noticed that one of my external hard drive seems to be missing a lot of space. It was recommended that I try WinDirStat, as it could help identify how much space each file was taking up. This is the result:



http://i.imgur.com/KU0Yia7.png



As you can see, there is about 244.7GB "unknown" usage.



Doing a bit of research online, the most common suggestion was (a) Recycle Bin and (b) System Volume Information.



(a) As you can see, empty. To double check, I ran Disk Cleanup. It confirmed that it was empty. (Note that a new file appeared by the time I took this screenshot, but it's only 129 Bytes.)



(b) Harder to tell. However, according to various forums, the most common reason for System Volume Information to grow large is due to System Restore Files. I had a look, and it is definitely turned off for this drive, as seen here:



http://i.imgur.com/JZ49qrC.png



What else could be causing this issue? It is an enormous amount of storage to have gone missing!







hard-drive windows-10 windirstat






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Aug 30 '15 at 10:18









DavidPostill

108k27235271




108k27235271










asked Aug 30 '15 at 9:15









BSnapZBSnapZ

98118




98118













  • "System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

    – DavidPostill
    Aug 30 '15 at 10:23






  • 3





    Did your run windirstat as administrator?

    – DavidPostill
    Aug 30 '15 at 10:28













  • @DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

    – BSnapZ
    Aug 30 '15 at 10:53













  • Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

    – DavidPostill
    Aug 30 '15 at 10:55






  • 1





    I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

    – magicandre1981
    Aug 30 '15 at 18:22



















  • "System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

    – DavidPostill
    Aug 30 '15 at 10:23






  • 3





    Did your run windirstat as administrator?

    – DavidPostill
    Aug 30 '15 at 10:28













  • @DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

    – BSnapZ
    Aug 30 '15 at 10:53













  • Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

    – DavidPostill
    Aug 30 '15 at 10:55






  • 1





    I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

    – magicandre1981
    Aug 30 '15 at 18:22

















"System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

– DavidPostill
Aug 30 '15 at 10:23





"System Restore Files. I had a look, and it is definitely turned off for this drive" - was it ever turned on in the past?

– DavidPostill
Aug 30 '15 at 10:23




3




3





Did your run windirstat as administrator?

– DavidPostill
Aug 30 '15 at 10:28







Did your run windirstat as administrator?

– DavidPostill
Aug 30 '15 at 10:28















@DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

– BSnapZ
Aug 30 '15 at 10:53







@DavidPostill This is the first time I've checked system protection settings since buying the drive earlier this year, so I'd say that it has never been turned on. And yes, this was run as administrator.

– BSnapZ
Aug 30 '15 at 10:53















Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

– DavidPostill
Aug 30 '15 at 10:55





Did you upgrade to Windows 10 from a previous version of Windows? Perhaps there were files on the drive from the old version that now have the wrong owner/permissions and cannot be read by WinDirStat.

– DavidPostill
Aug 30 '15 at 10:55




1




1





I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

– magicandre1981
Aug 30 '15 at 18:22





I prefer TreeSizeFree over WinDirStat . Run TreeSizeFree as admin to see more.

– magicandre1981
Aug 30 '15 at 18:22










3 Answers
3






active

oldest

votes


















11














Instead of windirstat you should use TreeSizeFree.



enter image description here



Run it as admin, so that TreeSizeFree shows all hidden/system files.






share|improve this answer



















  • 1





    Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

    – Michaël Polla
    Nov 5 '17 at 14:54











  • I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

    – JP Hellemons
    Oct 31 '18 at 10:30



















2














Running Windirstat as Administrator will reveal most of this. In some cases it can be system protection files, corrupt files, old installers, or in my case, the Recycle Bin.



Per the Windirstat Propaganda Blog,



https://blog.windirstat.net/20061013/unknown-space/




This mysterious item is just the difference between what Windows
reports as the free space on the volume minus size of the files WDS
can access. Please note the part WDS can access! This is the important
point here. WDS cannot access the files under System Volume
Information on all the (NTFS?) drives, so it cannot sum up the sizes
of these items. And by the way, we have had reports of up to 30 GB of
“” space.




The root of the problem is permissions, apparently.






share|improve this answer

































    1














    In my case it's the Windows search file, Windows.edb, in:
    ProgramDataMicrosoftSearchDataApplicationsWindows.






    share|improve this answer








    New contributor




    Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.





















    • Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

      – Eric F
      yesterday












    Your Answer








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    3 Answers
    3






    active

    oldest

    votes








    3 Answers
    3






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    11














    Instead of windirstat you should use TreeSizeFree.



    enter image description here



    Run it as admin, so that TreeSizeFree shows all hidden/system files.






    share|improve this answer



















    • 1





      Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

      – Michaël Polla
      Nov 5 '17 at 14:54











    • I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

      – JP Hellemons
      Oct 31 '18 at 10:30
















    11














    Instead of windirstat you should use TreeSizeFree.



    enter image description here



    Run it as admin, so that TreeSizeFree shows all hidden/system files.






    share|improve this answer



















    • 1





      Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

      – Michaël Polla
      Nov 5 '17 at 14:54











    • I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

      – JP Hellemons
      Oct 31 '18 at 10:30














    11












    11








    11







    Instead of windirstat you should use TreeSizeFree.



    enter image description here



    Run it as admin, so that TreeSizeFree shows all hidden/system files.






    share|improve this answer













    Instead of windirstat you should use TreeSizeFree.



    enter image description here



    Run it as admin, so that TreeSizeFree shows all hidden/system files.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Aug 31 '15 at 15:30









    magicandre1981magicandre1981

    82.4k20127205




    82.4k20127205








    • 1





      Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

      – Michaël Polla
      Nov 5 '17 at 14:54











    • I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

      – JP Hellemons
      Oct 31 '18 at 10:30














    • 1





      Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

      – Michaël Polla
      Nov 5 '17 at 14:54











    • I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

      – JP Hellemons
      Oct 31 '18 at 10:30








    1




    1





    Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

    – Michaël Polla
    Nov 5 '17 at 14:54





    Thanks. In my case, it showed that the <unknown> space of 40 GB was the virtual drive used for Docker (C:UsersPublicDocumentsHyper-VVirtual hard disksMobyLinuxVM.vhdx).

    – Michaël Polla
    Nov 5 '17 at 14:54













    I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

    – JP Hellemons
    Oct 31 '18 at 10:30





    I also have the MobyLinuxVM.vhdx which is about 2gb. And I have a similar situation, but how can I confirm that it's docker related? superuser.com/questions/1371209/sd-card-has-26gb-large-file where did you find that? Since both windirstat and treesize do not show a name or anything even when I run it as admin.

    – JP Hellemons
    Oct 31 '18 at 10:30













    2














    Running Windirstat as Administrator will reveal most of this. In some cases it can be system protection files, corrupt files, old installers, or in my case, the Recycle Bin.



    Per the Windirstat Propaganda Blog,



    https://blog.windirstat.net/20061013/unknown-space/




    This mysterious item is just the difference between what Windows
    reports as the free space on the volume minus size of the files WDS
    can access. Please note the part WDS can access! This is the important
    point here. WDS cannot access the files under System Volume
    Information on all the (NTFS?) drives, so it cannot sum up the sizes
    of these items. And by the way, we have had reports of up to 30 GB of
    “” space.




    The root of the problem is permissions, apparently.






    share|improve this answer






























      2














      Running Windirstat as Administrator will reveal most of this. In some cases it can be system protection files, corrupt files, old installers, or in my case, the Recycle Bin.



      Per the Windirstat Propaganda Blog,



      https://blog.windirstat.net/20061013/unknown-space/




      This mysterious item is just the difference between what Windows
      reports as the free space on the volume minus size of the files WDS
      can access. Please note the part WDS can access! This is the important
      point here. WDS cannot access the files under System Volume
      Information on all the (NTFS?) drives, so it cannot sum up the sizes
      of these items. And by the way, we have had reports of up to 30 GB of
      “” space.




      The root of the problem is permissions, apparently.






      share|improve this answer




























        2












        2








        2







        Running Windirstat as Administrator will reveal most of this. In some cases it can be system protection files, corrupt files, old installers, or in my case, the Recycle Bin.



        Per the Windirstat Propaganda Blog,



        https://blog.windirstat.net/20061013/unknown-space/




        This mysterious item is just the difference between what Windows
        reports as the free space on the volume minus size of the files WDS
        can access. Please note the part WDS can access! This is the important
        point here. WDS cannot access the files under System Volume
        Information on all the (NTFS?) drives, so it cannot sum up the sizes
        of these items. And by the way, we have had reports of up to 30 GB of
        “” space.




        The root of the problem is permissions, apparently.






        share|improve this answer















        Running Windirstat as Administrator will reveal most of this. In some cases it can be system protection files, corrupt files, old installers, or in my case, the Recycle Bin.



        Per the Windirstat Propaganda Blog,



        https://blog.windirstat.net/20061013/unknown-space/




        This mysterious item is just the difference between what Windows
        reports as the free space on the volume minus size of the files WDS
        can access. Please note the part WDS can access! This is the important
        point here. WDS cannot access the files under System Volume
        Information on all the (NTFS?) drives, so it cannot sum up the sizes
        of these items. And by the way, we have had reports of up to 30 GB of
        “” space.




        The root of the problem is permissions, apparently.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Jun 29 '18 at 15:33

























        answered Apr 5 '18 at 0:57









        J E Carter IIJ E Carter II

        1665




        1665























            1














            In my case it's the Windows search file, Windows.edb, in:
            ProgramDataMicrosoftSearchDataApplicationsWindows.






            share|improve this answer








            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





















            • Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

              – Eric F
              yesterday
















            1














            In my case it's the Windows search file, Windows.edb, in:
            ProgramDataMicrosoftSearchDataApplicationsWindows.






            share|improve this answer








            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





















            • Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

              – Eric F
              yesterday














            1












            1








            1







            In my case it's the Windows search file, Windows.edb, in:
            ProgramDataMicrosoftSearchDataApplicationsWindows.






            share|improve this answer








            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.










            In my case it's the Windows search file, Windows.edb, in:
            ProgramDataMicrosoftSearchDataApplicationsWindows.







            share|improve this answer








            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            share|improve this answer



            share|improve this answer






            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            answered yesterday









            Lll FffLll Fff

            111




            111




            New contributor




            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





            New contributor





            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            Lll Fff is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.













            • Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

              – Eric F
              yesterday



















            • Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

              – Eric F
              yesterday

















            Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

            – Eric F
            yesterday





            Can you please elaborate a bit more for what the file is and how much it takes up for other future answer seekers?

            – Eric F
            yesterday


















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