Memory usage at C:/ is very high


In majority of cases, these mysterious large number of files is down to :-

1) lots of restore points - if so just delete them from settings menus and put a limit on how much can be stored,

2) backups from something like File History Backup

3) backups from some other app like Apple backing up photos on pc.

I use Treesize to see what is stored. It is better than tool you used as it shows individual files, so you can usually work out what is storing the files.

Also Treesize is great at deleting such files.
Most files is DFOptmizer_ .......Bin there are a great amout of this kinde o files!!! What does that mean??? How can I send a copy of these files!!
 

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620
Copy the names of files that in your "C" directory and google them to find the name of the program creating them as a first step
 

My Computer

System One

  • OS
    windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    ACER
    CPU
    intel I7-8750h
    Motherboard
    CFL Cayman
    Memory
    32 gb
    Graphics Card(s)
    nvidia GTX 1070
None of us have yet suggested using your Disk Cleanup utility to delete old files on your C: Drive.

Steps:
1. Search for Disk Cleanup
2. Open the app as Administrator
3. Check all the boxes in both views
4. Click Run
5. You should have a lot more space on your Drive after it's completed. Let us know.
Disk cleanup rarely helps in this situation.
Most files is DFOptmizer_ .......Bin there are a great amout of this kinde o files!!! What does that mean??? How can I send a copy of these files!!
This could be the reason.

 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
    Manufacturer/Model
    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
    Motherboard
    Yep, Laptop has one.
    Memory
    16 GB soldered
    Graphics Card(s)
    Integrated Intel Iris XE
    Sound Card
    Realtek built in
    Monitor(s) Displays
    laptop OLED screen
    Screen Resolution
    2880x1800 touchscreen
    Hard Drives
    1 TB NVME SSD (only weakness is only one slot)
    PSU
    Internal + 65W thunderbolt USB4 charger
    Case
    Yep, got one
    Cooling
    Stella Artois (UK pint cans - 568 ml) - extra cost.
    Keyboard
    Built in UK keybd
    Mouse
    Bluetooth , wireless dongled, wired
    Internet Speed
    900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

    Macrium Reflect Home V8
    Office 365 Family (6 users each 1TB onedrive space)
    Hyper-V (a vm runs almost as fast as my older laptop)
Copy the names of files that in your "C" directory and google them to find the name of the program creating them as a first step
 

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620
Copy the names of files that in your "C" directory and google them to find the name of the program creating them as a first step
 

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620
Do you have a program "defraggler" it may be part of CCleaner.
 

My Computer

System One

  • OS
    windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    ACER
    CPU
    intel I7-8750h
    Motherboard
    CFL Cayman
    Memory
    32 gb
    Graphics Card(s)
    nvidia GTX 1070
Do you have a program "defraggler" it may be part of CCleaner.
I had deflaggler but I deleted it !! I was thinking it was reponsable by what is happining at my computer!! But I keep using Ccleanner!!
 

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620
I have a text verifying all files at my computer
 

Attachments

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620
As long as you uninstalled defraggler the next step is to manually delete all those DFOptmizer_ .......Bin files off of your "C" drive. Then empty the recycle bin. Reevaluate free space on "C", and see whats left as free files on "C"
 

My Computer

System One

  • OS
    windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    ACER
    CPU
    intel I7-8750h
    Motherboard
    CFL Cayman
    Memory
    32 gb
    Graphics Card(s)
    nvidia GTX 1070
It seems to be normal now all files Optimizer were deleted manualy!!
 

My Computer

System One

  • OS
    windows 11
    Computer type
    Laptop
    Manufacturer/Model
    VJF155F11X-B0211B - VAIO POSITIVO
    CPU
    Intel Core i5 7200U @GHz
    Motherboard
    Positivo Informatica SA N250JU (U3E1)
    Memory
    8.00GB Single-Channel DDR3 @ 798MHz (11-11-11-28)
    Graphics Card(s)
    Intel - HD Graphics 620
    Monitor(s) Displays
    Generic PnP Monitor on Intel HD Graphics 620

My Computer

System One

  • OS
    W11 Home
    Computer type
    PC/Desktop
    Manufacturer/Model
    Build Date: March 2022
    CPU
    Intel Core i9-13900KF
    Motherboard
    ASUS Prime 690-P
    Memory
    DDR5 32GB (2x16GB) DDR5 4600
    Graphics Card(s)
    RTX 4080 12GB
    Screen Resolution
    1920 x 1080 (scaled 125%) (144Mhz Refresh Rate)
    PSU
    1000 Watt
    Cooling
    AIO
    Internet Speed
    1GB
    Browser
    Chrome and Edge
    Antivirus
    Malwarebytes Premium

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