System drive space doubled in size within the past month.  

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  1. Posts : 490
    Windows 10 Pro version 22H2
       #1

    System drive space doubled in size within the past month.


    I am using a 128GB SSD as a dedicated windows boot drive. Data is stored on other drives. The current size of my Windows 10 installation is 42Gb. Before removing hiberfil.sys, pagefile.sys, temp files, and System Volume Information files, (including System Restore files), the size was 51Gb.

    Prior to this month, the same installation and previous v2004 installations of the past year, were always between 22Gb and 25Gb.

    Scans with Windows Defender, Malwarebytes, and ESET online scan, were clean.

    The installed apps were always the same. What could cause such a recent bloat?
      My Computers


  2. Posts : 18,040
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @ineuw,

    ineuw said:
    I am using a 128GB SSD as a dedicated windows boot drive. Data is stored on other drives. The current size of my Windows 10 installation is 42Gb. Before removing hiberfil.sys, pagefile.sys, temp files, and System Volume Information files, (including System Restore files), the size was 51Gb.

    Prior to this month, the same installation and previous v2004 installations of the past year, were always between 22Gb and 25Gb.

    Scans with Windows Defender, Malwarebytes, and ESET online scan, were clean.

    The installed apps were always the same. What could cause such a recent bloat?

    Have you got a Windows.old folder?

    > What is Windows.old Folder and How to Delete Windows.old Folder in Windows 10

    I hope this helps.
      My Computer


  3. Posts : 18,040
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #3

    Hello @ineuw,

    You could try and see what is using the MOST SSD space . . .

    > WizTree- The FASTEST Disk Space Analyser

    I hope this helps.
      My Computer


  4. Posts : 7,603
    Windows 10 Home 20H2
       #4

    Glary Utilities has Disk Space Analyzer.
    A portable version: https://download.glarysoft.com/guportable.zip

    System drive space doubled in size within the past month.-glary-utilities-has-disk-space-analyzer.jpg
      My Computer


  5. Posts : 490
    Windows 10 Pro version 22H2
    Thread Starter
       #5

    There is no Windows.old. Thanks for both software recommendations. Downloaded and used them both. BTW, there was no Windows bloatware in the quoted sizes. Removed everything except MS Edge and a few small utilities. Also unininstalled Gimp because it grew to be 1.1Gb. So the current OS size is 38Gb.

    I also kept a mirror of the original 2020-11-06 installation . The mirror was made after Microsoft completed the update, and without any apps. The size of this mirror is 11.2Gb. I could restore it, let Windows update it, create a new mirror for safekeeping, and then install my apps and see what happens. Any thoughts?
      My Computers


  6. Posts : 7,603
    Windows 10 Home 20H2
       #6

    It's worth a try.

    My Windows 10 Version 20H2.

    System drive space doubled in size within the past month.-used-space.jpg
      My Computer


  7. Posts : 5,405
    Windows 11 Home
       #7

    ineuw said:
    What could cause such a recent bloat?
    One user has recently reported that reserved storage was taking up to 50GB, so it is worth checking out.

    Enable or Disable Reserved Storage in Windows 10
      My Computer


  8. Posts : 490
    Windows 10 Pro version 22H2
    Thread Starter
       #8

    Matthew Wai said:
    It's worth a try. My Windows 10 Version 20H2.
    Meaning that I should re-install?
      My Computers


  9. Posts : 18,040
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #9

    Hello @ineuw,

    Please look at TairikuOkami's suggestion above first, he makes a good point.
      My Computer


  10. Posts : 1,621
    Windows 10 Home
       #10

    Paul, is Windows 10 reserved storage the same as Windows 7 system restore point storage?
      My Computer


 

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