USB flash drive seen as in use when it's seemingly not


H

highstream

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Win11 25H2 desktop PC. Following best practice, I eject a flash drive using the Safely Remove method. On my PC, it won't do so if my default file manager XYplorer is open. I get a popup message that the drive is in use. I don't recall this happening with XYplorer until relatively recently (months), but fair enough. However, and this is why I post: For the past four days, with the file manager closed and sometimes not having even been opened during the session, I'm getting the "in use" pop up the first time I try removal. Only after I open and close the XYplorer will Windows allow safe removal. The USB flash drive has only video files on it, nothing I know of interacting with the system or any program, not even Recycle Bin or System Volume Info. Any ideas? Thanks,
 

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Try changing the policy

www.elevenforum.com

Change Removal Policy of External Storage Devices in Windows 11

This tutorial will show you how to change the removal policy of external storage devices such as USB flash drives or external drives in Windows 11. Windows defines two main policies, Quick removal (default) and Better performance, that control how the system interacts with removable drives...
www.elevenforum.com www.elevenforum.com
 

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    LENOVO Yoga 7 14IRL8 - Type 82YL
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  • Windows 11 Pro 25H2 Build 26200.9168 (Wifes)

    Yoga 7 2-in-1 14IML9 - Type 83DJ

    Processor: Intel® Core™ Ultra 7 155H Processor(Core™ Ultra 7 155H)

    Memory: 32GB LPD5X-7467

    Hard Drive: 1 TB SSD PCIe

    Wireless Network: 1x Wi-Fi 6E 2x2 AX; Bluetooth® 5.1 or above

    Ports: 1 x HDMI 2.1 TMDS; 1 x Novo Button; 1 x Combo Audio Jack
    2 x USB-C (USB 4.0)
    1 x USB-A 3.2 Gen 1

    Camera: 1080P FHD IR Hybrid with Dual Microphone

    Graphics: Intel® Arc™ Graphics

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    ...Where's my horse?
With the better performance choice, Defender will scan the drive for viruses and keep it open (in use).
 

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I hardly ever use "safely remove", and never for a flash drive. If I'm sure it's done uploading or downloading, I just remove it.
 

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Sometimes This PC -> right click on the drive -> Eject works when the systray menu doesn't.
 

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antspants said:
Try changing the policy

www.elevenforum.com

Change Removal Policy of External Storage Devices in Windows 11

This tutorial will show you how to change the removal policy of external storage devices such as USB flash drives or external drives in Windows 11. Windows defines two main policies, Quick removal (default) and Better performance, that control how the system interacts with removable drives...
www.elevenforum.com www.elevenforum.com
Click to expand...

antspants said:
Try changing the policy

www.elevenforum.com

Change Removal Policy of External Storage Devices in Windows 11

This tutorial will show you how to change the removal policy of external storage devices such as USB flash drives or external drives in Windows 11. Windows defines two main policies, Quick removal (default) and Better performance, that control how the system interacts with removable drives...
www.elevenforum.com www.elevenforum.com
Click to expand...

I see it was on Quick Removal. Option 1, Step 6 doesn't show Removal Policy. Option 2, I switched to Better, system rebooted, and problem (popup) still occurred. Option 3, switched back to Quick Removal, rebooted and popup still there.

Forum Monitor: Although my forum Settings are to receive notice of replies, I didn't receive any on this (my email hasn't changed). Just decided to check.
 

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    Windows 11 Proi516.0 GB
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    Windows 11 Pro
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    i5
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    Asus
    Memory
    16.0 GB
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    Samsung T45F
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    Samsung Evo SSDs and Western HDDs
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    IBM Model M
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    Windows and MBAM Premium

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    Win 11 Pro
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    Lenovo Thinkpad
highstream said:
Forum Monitor: Although my forum Settings are to receive notice of replies, I didn't receive any on this (my email hasn't changed). Just decided to check.
Click to expand...

Check spam. Also check that it says “UnWatch” at the beginning of the thread. If it does, then you should receive emails.

IMG_5871.webp


Disable 3rd party antivirus and test USB eject again.
 

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System One System Two Other systems

  • At a glance

    Windows 11 Pro 25H2 Build 26200.9168Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz32.0 GB of I forget and the box is in storage.Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    OS
    Windows 11 Pro 25H2 Build 26200.9168
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built 2013
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    ROG SupremeFX Formula 8-Channel High Definition Audio
    Monitor(s) Displays
    5 x LG 25MS500-B - 1 x 24MK430H-B - 1 x Wacom Pro 22" Touch Screen Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list. OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
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    Corsair K95 / Logitech diNovo Edge Wireless
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    TP-Link BE9300 WiFi 7 Bluetooth 5.4 (Archer TBE550E)
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    ASUS RT-BE88U Router

    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.9168 (Wifes)13th Generation Intel® Core™ i5-1340P Process...16GB LPDDR5-52001x Intel® Iris® Xe Graphics
    Operating System
    Windows 11 Pro 25H2 Build 26200.9168 (Wifes)
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7 14IRL8 - Type 82YL
    CPU
    13th Generation Intel® Core™ i5-1340P Processor(Core™ i5-1340P)
    Memory
    16GB LPDDR5-5200
    Graphics card(s)
    1x Intel® Iris® Xe Graphics
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512 GB SSD PCIe
    Mouse
    Logiteck MX Master 3S
    Internet Speed
    2000/500
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.


    Wireless Network: Wi-Fi 6E 2x2 AX; Bluetooth® 5.1 or above
    Ports: 1x 1 Novo button; 2 in 1 Audio Combo jack; Micro SD Card Reader; HDMI 1.4b; 2 x USB Type-C (TBT4)
    USB 3.2 Gen 2 DP 1.4a
    PD 3.0); 1 x USB 3.2 Gen1 Type A
    Camera
    1x 1080P FHD IR/RGB Hybrid with Privacy Shutter and Dual Array Microphone
    Graphics
    1x Intel® Iris® Xe Graphics
    Monitor
    14" WUXGA
    Form Factor
    Convertible Notebook
  • Windows 11 Pro 25H2 Build 26200.9168 (Wifes)

    Yoga 7 2-in-1 14IML9 - Type 83DJ

    Processor: Intel® Core™ Ultra 7 155H Processor(Core™ Ultra 7 155H)

    Memory: 32GB LPD5X-7467

    Hard Drive: 1 TB SSD PCIe

    Wireless Network: 1x Wi-Fi 6E 2x2 AX; Bluetooth® 5.1 or above

    Ports: 1 x HDMI 2.1 TMDS; 1 x Novo Button; 1 x Combo Audio Jack
    2 x USB-C (USB 4.0)
    1 x USB-A 3.2 Gen 1

    Camera: 1080P FHD IR Hybrid with Dual Microphone

    Graphics: Intel® Arc™ Graphics

    Monitor: 14" 2.8K

    ...Where's my horse?

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  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad
If I repeat the Safely Remove, it works.
 

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System One System Two

  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad
As was noted, if you change the removal policy back to the default setting, then there simply is no reason to use the eject tool. I use thumb drives EVERY single day without exception and I NEVER eject it. No problems at all.
 

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    Win11 Pro 26H2 (Release Preview)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Acemagic Matrix M5
    CPU
    Intel i7-14650HX
    Memory
    32 GB
    Graphics Card(s)
    No GPU - Built-in Intel Graphics
    Sound Card
    Integrated
    Monitor(s) Displays
    Varies as machine will often be moved to locations with different monitors
    Screen Resolution
    Varies
    Hard Drives
    1 x 1TB Gen 4 NVMe SSD
    PSU
    120W Power Brick
    Keyboard
    Corsair K70 Max RGB Magnetic Keyboard
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    Logitech MX Master 3
    Internet Speed
    1Gb Up / 1 Gb Down
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    Edge
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    Windows Defender

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    Win11 Pro 26H2 (Release Preview)Intel i7-1255U16 GBIntel Iris Xe Graphics
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    Win11 Pro 26H2 (Release Preview)
    Computer type
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    Lenovo ThinkBook 13x Gen 2
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    Intel i7-1255U
    Memory
    16 GB
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    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    4 TB 4 x 4 NVMe SSD
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    USB-C / Thunderbolt 4 Power / Charging Using an Anker 160W Charger
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    Backlit, spill resistant keyboard
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    Buttonless Glass Precision Touchpad
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    1Gb Up / 1Gb Down
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    Edge
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    Windows Defender
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    WiFi 6e / Bluetooth 5.1 / Facial Recognition / Fingerprint Sensor / ToF (Time of Flight) Human Presence Sensor

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Laptop
Manufacturer/Model
HP
CPU
Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz
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Product : 190A Version : KBC Version 94.56
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16 GB Total: Manufacturer : Samsung MemoryType : DDR3 FormFactor : SODIMM Capacity : 8GB Speed : 1600
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NVIDIA Quadro K3100M; Intel(R) HD Graphics 4600
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IDT High Definition Audio CODEC; PNP Device ID HDAUDIO\FUNC_01&VEN_111D&DEV_76E0
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Model Hitachi HTS727575A9E364
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Microsoft Defender
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Mobile Workstation
Do you have voidtools Everything running? Or any other app/service that is set to auto index or scan removable drives?
 

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At a glance

Windows 11 Pro
OS
Windows 11 Pro
hsehestedt said:
As was noted, if you change the removal policy back to the default setting, then there simply is no reason to use the eject tool. I use thumb drives EVERY single day without exception and I NEVER eject it. No problems at all.
Click to expand...

And the default setting is… (and is not Quick or Better)?
 

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  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad
Google: What is the default removal policy in Windows 11?
 

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System One System Two

  • At a glance

    Win11 Pro 26H2 (Release Preview)Intel i7-14650HX32 GBNo GPU - Built-in Intel Graphics
    OS
    Win11 Pro 26H2 (Release Preview)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Acemagic Matrix M5
    CPU
    Intel i7-14650HX
    Memory
    32 GB
    Graphics Card(s)
    No GPU - Built-in Intel Graphics
    Sound Card
    Integrated
    Monitor(s) Displays
    Varies as machine will often be moved to locations with different monitors
    Screen Resolution
    Varies
    Hard Drives
    1 x 1TB Gen 4 NVMe SSD
    PSU
    120W Power Brick
    Keyboard
    Corsair K70 Max RGB Magnetic Keyboard
    Mouse
    Logitech MX Master 3
    Internet Speed
    1Gb Up / 1 Gb Down
    Browser
    Edge
    Antivirus
    Windows Defender

  • At a glance

    Win11 Pro 26H2 (Release Preview)Intel i7-1255U16 GBIntel Iris Xe Graphics
    Operating System
    Win11 Pro 26H2 (Release Preview)
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkBook 13x Gen 2
    CPU
    Intel i7-1255U
    Memory
    16 GB
    Graphics card(s)
    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    4 TB 4 x 4 NVMe SSD
    PSU
    USB-C / Thunderbolt 4 Power / Charging Using an Anker 160W Charger
    Keyboard
    Backlit, spill resistant keyboard
    Mouse
    Buttonless Glass Precision Touchpad
    Internet Speed
    1Gb Up / 1Gb Down
    Browser
    Edge
    Antivirus
    Windows Defender
    Other Info
    WiFi 6e / Bluetooth 5.1 / Facial Recognition / Fingerprint Sensor / ToF (Time of Flight) Human Presence Sensor
zbook said:
See if any of these links are useful:

www.nirsoft.net

USB Drive Log For Windows 10 and Windows 11

USBDriveLog is a tool for Windows 10 and Windows 11 that displays a log of all USB drives plugged to your computer.
www.nirsoft.net

View any installed/connected USB device on your system

USBDeview is a software that lists all USB devices that connected to your computer, and allows you disable, enable or uninstall them.
www.nirsoft.net
Click to expand...

There is only one USB flash drive regularly attached and — as I recall away from the PC — one old IBM Model M keyboard with an adapter. Remember the popup I posted never appeared before roughly 7-10 days ago. I don’t think so, but could it possibly be the result of a very recent Win 11 or MS security update? There have been three I think.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad
dacrone said:
Do you have voidtools Everything running? Or any other app/service that is set to auto index or scan removable drives?
Click to expand...

Please read my earlier reply about the result of changing the Policies.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad

My Computer My Computer

At a glance

Windows 11 Pro
OS
Windows 11 Pro
Open administrative command prompt >type:

diskpart
lis dis
lis vol
exit

(Identify the drive letter for the USB drive.)



Download and install process explorer:

learn.microsoft.com

Process Explorer - Sysinternals

Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more.
learn.microsoft.com

learn.microsoft.com

Sysinternals - Sysinternals

Library, learning resources, downloads, support, and community. Evaluate and find out how to install, deploy, and maintain Windows with Sysinternals utilities.
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Open the software > file > show details for all processes > find > handle or dll > enter (drive letter with colon) > click enter > wait for the drive letter or search to reappear black >

Post images or share links.


see video:
 

My Computer My Computer

At a glance

Windows 10Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz16 GB Total: Manufacturer : Samsung MemoryTyp...NVIDIA Quadro K3100M; Intel(R) HD Graphics 4600
OS
Windows 10
Computer type
Laptop
Manufacturer/Model
HP
CPU
Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz
Motherboard
Product : 190A Version : KBC Version 94.56
Memory
16 GB Total: Manufacturer : Samsung MemoryType : DDR3 FormFactor : SODIMM Capacity : 8GB Speed : 1600
Graphics Card(s)
NVIDIA Quadro K3100M; Intel(R) HD Graphics 4600
Sound Card
IDT High Definition Audio CODEC; PNP Device ID HDAUDIO\FUNC_01&VEN_111D&DEV_76E0
Hard Drives
Model Hitachi HTS727575A9E364
Antivirus
Microsoft Defender
Other Info
Mobile Workstation
zbook said:
...
learn.microsoft.com

Process Explorer - Sysinternals

Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more.
learn.microsoft.com

learn.microsoft.com

Sysinternals - Sysinternals

Library, learning resources, downloads, support, and community. Evaluate and find out how to install, deploy, and maintain Windows with Sysinternals utilities.
learn.microsoft.com



Open the software > file > show details for all processes > find > handle or dll > enter (drive letter with colon) > click enter > wait for the drive letter or search to reappear black >

Post images or share links.


see video: ...
Click to expand...

Thanks for the video (I had Process Explorer)! The search turned up four System $Extend results. Since I can't do anything about those, or so the video says, the options mentioned are either to shut down the PC or, the next least risky. just ignore the message and pull the drive. Since I'm finding re-running Safely Remove gets it out, maybe that's even less risky.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Proi516.0 GB
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    i5
    Motherboard
    Asus
    Memory
    16.0 GB
    Monitor(s) Displays
    Samsung T45F
    Screen Resolution
    1920x1200
    Hard Drives
    Samsung Evo SSDs and Western HDDs
    Keyboard
    IBM Model M
    Mouse
    Bornd
    Antivirus
    Windows and MBAM Premium

  • At a glance

    Win 11 Pro
    Operating System
    Win 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Thinkpad
If doing it multiple times allows the processes to be stopped and makes it ejectable, try this

Safely remove hardware not working

This took me awhile to figure out. Thought this would help other people. Open event viewer. Select Windows Logs on the left. Select system also on the left. You are likely to have a lot error messages. Select filter current log on the right. On the line above task category type 225 for the...
www.elevenforum.com www.elevenforum.com
 

My Computer My Computer

At a glance

Windows 11 Pro
OS
Windows 11 Pro
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