Solved Missing disk space.


Kol12

Kol12

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342
OS
Windows 11 - Release Preview channel
WinDirStat says my C: totals 71.2GB and File Explorer says I'm using 96.1GB of C:

WinDirStat normally reads everything so I'm scratching my head wondering where the other 26GB is. :unsure:
 

My Computer My Computer

At a glance

Windows 11 - Release Preview channelIntel 13900KCorsair Dominator Platinum RGB 32GB DDR5 6000MHzGigabyte 4090 Gaming OC
OS
Windows 11 - Release Preview channel
Computer type
PC/Desktop
Manufacturer/Model
Kol's custom ROG
CPU
Intel 13900K
Motherboard
Asus ROG Maximus Hero Z790
Memory
Corsair Dominator Platinum RGB 32GB DDR5 6000MHz
Graphics Card(s)
Gigabyte 4090 Gaming OC
Sound Card
SoundBlaster X-AE5
Monitor(s) Displays
Dell Alienware AW3821DW
Screen Resolution
3840x1600 144hz
Hard Drives
Samsung 980 Pro 500GB
860 EVO's
Samsung 990 Pro 2TB
External RAID enclosure - 2x Seagate 3TB HDD
PSU
Seasonic Prime Ultra 1300W Platinum
Case
Phanteks Eclipse P600S
Cooling
Custom water cooling. EK Velocity (CPU), EK Quantum Vector2 (GPU), EK Quantum D5 Pump, 360mm radiator in case + 560mm external radiator
Keyboard
Corsair K100
Mouse
Logitech G502X
Antivirus
Windows Defender, VBS
WinDirStat is from 2008, maybe try something better like WizTree or TreeFile.
 

My Computer My Computer

At a glance

Home2FH2CanAMD Ryzen 5 8600G (07/24)2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200...ASROCK Radeon RX 6600 Challenger D 8G @48FPS ...
OS
Home2FH2Can
Computer type
PC/Desktop
CPU
AMD Ryzen 5 8600G (07/24)
Motherboard
ASROCK B650M-HDV/M.2 (07/24) BIOS 4.43 AGESA ComboAM5 1.3.0.1b Patch A (07/26)
Memory
2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL40 (07/24)
Graphics Card(s)
ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
Sound Card
Creative Sound BlasterX AE-5 Plus (05/24)
Monitor(s) Displays
24" Philips 24M1N3200ZS/00 (05/24)
Screen Resolution
1920×1080@165Hz via DP1.4
Hard Drives
Kingston KC3000 NVMe 2TB (05/24)
ADATA XPG GAMMIX S11 Pro 512GB (07/19)
PSU
Seasonic Core GM 550 Gold (04/24)
Case
Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
Cooling
Noctua NH-U12S with Noctua NF-P12 (04/24)
Keyboard
HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
Mouse
Logitech M330 Silent Plus (07/26)
Internet Speed
500/100 Mbps via RouterOS (05/21) & TCP Optimizer
Browser
Edge, Brave for YouTube, LibreWolf for FB
Antivirus
NextDNS blocking 1/3 Traffic
Other Info
Phone: Motorola Moto G86 (02/26)
Backup: Hasleo Backup Suite (PreOS)
Headphones: Sennheiser RS170 (09/10)
Chair: Huzaro Force 4.4 Grey Mesh (05/24)
Notifier: Xiaomi Mi Band 9 Milanese (10/24)
FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
Since stock apps have deeper level access to the system, it is likely giving out the correct information (unless there is a bug).
 

My Computer My Computer

At a glance

Windows 11Intel Core i7 3630QM16 GBIntel HD Graphics 4000 & Nvidia GeForce GT 635M
OS
Windows 11
Computer type
Laptop
Manufacturer/Model
HP Envy dv7
CPU
Intel Core i7 3630QM
Motherboard
HP
Memory
16 GB
Graphics Card(s)
Intel HD Graphics 4000 & Nvidia GeForce GT 635M
Sound Card
IDT High Definition
Screen Resolution
1080p
Hard Drives
1 TB Crucial MX500 on bay 1.
1 TB Seagate HDD on bay 2.
Antivirus
Windows Defender
Look at the size allotted for system restore and if you're using hibernate the size of your hiberfil.sys (this is a hidden folder so to see it you have to go to file explorer options-view tab-check box next to 'show hidden files, folders, and drives.) I agree with @TairikuOkami that TreeSize is a good program for finding what eats your disk space.
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 Pro 25H2 26200.9168i9-10900 10 core 20 threads32 gbnone-Intel UHD Graphics 630
    OS
    Windows 11 Pro 25H2 26200.9168
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    2x1tb Solidigm m.2 nvme /External drives 512gb Samsung m.2 sata+2tb Kingston m2.nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    #1 Edge #2 Firefox
    Antivirus
    Defender+MWB Premium

  • At a glance

    Windows 11 Pro 24H2 26200.9168AMD Ryzen 7 6800U32 gbintegrated
    Operating System
    Windows 11 Pro 24H2 26200.9168
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink Mini PC SER5
    CPU
    AMD Ryzen 7 6800U
    Memory
    32 gb
    Graphics card(s)
    integrated
    Sound Card
    integrated
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Crucial nvme
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    still too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender
  • System 3 is non compliant Dell 9020 i7-4770/24gb ram Win11 PRO 26200.9168
Thanks for the replies. I determined the issue was I was not running the app as administrator and therefore the app didn't have access to some files.

I also found an app on the MS store called TreeSize free. Is anybody familiar with it?
 

My Computer My Computer

At a glance

Windows 11 - Release Preview channelIntel 13900KCorsair Dominator Platinum RGB 32GB DDR5 6000MHzGigabyte 4090 Gaming OC
OS
Windows 11 - Release Preview channel
Computer type
PC/Desktop
Manufacturer/Model
Kol's custom ROG
CPU
Intel 13900K
Motherboard
Asus ROG Maximus Hero Z790
Memory
Corsair Dominator Platinum RGB 32GB DDR5 6000MHz
Graphics Card(s)
Gigabyte 4090 Gaming OC
Sound Card
SoundBlaster X-AE5
Monitor(s) Displays
Dell Alienware AW3821DW
Screen Resolution
3840x1600 144hz
Hard Drives
Samsung 980 Pro 500GB
860 EVO's
Samsung 990 Pro 2TB
External RAID enclosure - 2x Seagate 3TB HDD
PSU
Seasonic Prime Ultra 1300W Platinum
Case
Phanteks Eclipse P600S
Cooling
Custom water cooling. EK Velocity (CPU), EK Quantum Vector2 (GPU), EK Quantum D5 Pump, 360mm radiator in case + 560mm external radiator
Keyboard
Corsair K100
Mouse
Logitech G502X
Antivirus
Windows Defender, VBS
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