VHD File Won't Mount From Explorer


G

GopherMan

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Windows 11 Pro
I'm not sure when, but "recently", my ability to mount a VHD file from Explorer got broken. Double-clicking gives me the error message:
This app can't run on your PC. To find a version for your PC, check with the software distributor.
I tried "Open with..." and selected "diskmgmt.msc" but got the same error message.
I tried "Open with..." and then navigated to Explorer.exe (it was not one of the apps shown in the popup), the error message was:
The program you have selected cannot be associated with the file type.

The VHD file mounts fine when I go to Disk Management > Action > Attach VHD, so there's nothing wrong with the file.

Is there a way to fix this, or is this a known issue?
 
Windows Build/Version
Win11 Pro, 24H2, OS build 26100.3194

My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
Go here, scroll down to the index and download and run the VHD reg fix. See if that helps

www.elevenforum.com

Reset and Restore Default Apps for File Types in Windows 11

This tutorial will show you how to reset and restore the default app association of a file type for your account in Windows 10 and Windows 11. A default app is the program that Windows has assigned to open a file or link type with by default when you open it. Default apps you choose will only...
www.elevenforum.com www.elevenforum.com

vhdWindows ExplorerVirtual Hard Disk image file
 

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System One System Two Other systems

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    Windows 11 Pro 25H2 Build 26200.8894Intel(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 26200.8894
    Computer type
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    Sin-built 2013
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
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    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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    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8894 (Wifes)13th Generation Intel® Core™ i5-1340P Process...16GB LPDDR5-52001x Intel® Iris® Xe Graphics
    Operating System
    Windows 11 Pro 25H2 Build 26200.8894 (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 26200.8894 (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?
GopherMan said:
I tried "Open with..." and selected "diskmgmt.msc" but got the same error message.
I tried "Open with..." and then navigated to Explorer.exe (it was not one of the apps shown in the popup), the error message was:
Click to expand...
First one will never work.. second one never tried that...
However this should work: You right click the file in explorer, and use Mount option from that list.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
PC/Desktop
Tester said:
First one will never work.. second one never tried that...
However this should work: You right click the file in explorer, and use Mount option from that list.
Click to expand...
Why bother when you can just reset it back to the default Windows File Explorer as the OP wants it?
And I don’t believe mount will work if the default association (File Explorer) has been corrupted.
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8894Intel(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 26200.8894
    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.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech: G402 / G502 / Mx Masters / Mx Air Cordless
    Internet Speed
    2000/500Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
    TP-Link BE9300 WiFi 7 Bluetooth 5.4 (Archer TBE550E)
    TP-Link TX201 V1 2.5GB Lan

    Grandstream HT812 - VoIP
    ASUS DSL-AX82U - Mesh
    ASUS RT-AC68U - Mesh
    ASUS RT-BE88U Router

    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8894 (Wifes)13th Generation Intel® Core™ i5-1340P Process...16GB LPDDR5-52001x Intel® Iris® Xe Graphics
    Operating System
    Windows 11 Pro 25H2 Build 26200.8894 (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 26200.8894 (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?
Running the reg file to remove the "UserChoice" key did not fix the problem.
I have restored it, which interesting has ProgId set to "Applications\diskmgmt.msc"
Right-clicking does not provide any "Mount" option.
 

Attachments

  • Screenshot 2025-02-13 134015.webp
    Screenshot 2025-02-13 134015.webp
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  • Screenshot 2025-02-13 133912.webp
    Screenshot 2025-02-13 133912.webp
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My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
What is configured under the key OpenWithProgIds (this is the only key/folder under .vhd for me)
OpenWithProgIds only has an AppX-indentifier key.

What if you delete userchoise, and the openwithlist? what happens then. (export to .reg to make backup)
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
PC/Desktop
Deleting both those, leaving only OpenWithProgids, did not resolve the issue.
My Progids is different. See snapshot.
 

Attachments

  • Screenshot 2025-02-13 152222.webp
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My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
That shapshot is after I restored from previous attempts.
 

My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
Can you remove that OpenWithProgids key as well, and test then? (just booted a not used 24h2 vm, and thar key was not there after default install, i guess some other app has placed that there for me.)

When that not works, can you also show what keys you have under:
Computer\HKEY_CLASSES_ROOT\Windows.VhdFile
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
PC/Desktop
"When that does not work..." That was a good guess. It did not.
Here's what I have for Windows.VhdFile:

[HKEY_CLASSES_ROOT\Windows.VhdFile]
@="Disc Image File"
"FriendlyTypeName"=hex(2):40,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,\
00,6f,00,6f,00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,\
32,00,5c,00,73,00,68,00,65,00,6c,00,6c,00,33,00,32,00,2e,00,64,00,6c,00,6c,\
00,2c,00,2d,00,33,00,31,00,34,00,37,00,35,00,00,00

[HKEY_CLASSES_ROOT\Windows.VhdFile\DefaultIcon]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,69,00,6d,00,\
61,00,67,00,65,00,72,00,65,00,73,00,2e,00,64,00,6c,00,6c,00,2c,00,2d,00,33,\
00,32,00,00,00

[HKEY_CLASSES_ROOT\Windows.VhdFile\shell]

[HKEY_CLASSES_ROOT\Windows.VhdFile\shell\mount]
"CommandStateSync"=""
"ExplorerCommandHandler"="{9ab3b1c9-3225-4bb4-93b6-bfb3c0d93743}"
"HasLUAShield"="true"
"MultiSelectModel"="Document"

[HKEY_CLASSES_ROOT\Windows.VhdFile\shell\mount\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,45,00,78,00,70,00,6c,00,6f,00,72,00,65,00,72,00,2e,00,65,00,78,00,\
65,00,00,00
"DelegateExecute"="{9ab3b1c9-3225-4bb4-93b6-bfb3c0d93743}"

[HKEY_CLASSES_ROOT\Windows.VhdFile\tabsets]
"selection"=dword:00000704
 

My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
3 things that are a mismatch with a fresh install:

1739482049248.webp

1739482020059.webp

1739481977468.webp

The same should be done here:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Windows.VhdFile
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
PC/Desktop
Can you export both those locations and post them? I can import on my side and see if that resolves it.
 

My Computer My Computer

At a glance

Windows 11 ProAMD Ryzen 7 5600XCorsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM ...ZOTAC Gaming GeForce GTX 1660 6GB
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
AMD Ryzen 7 5600X
Motherboard
Asus ROG Strix X570-E Gaming
Memory
Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16
Graphics Card(s)
ZOTAC Gaming GeForce GTX 1660 6GB
I fixed this by creating a ".vhd" key in "HKEY_CLASSES_ROOT" then copying the setting ("Windows.VhdFile") from ".vhdx" to it.

1753504629235.webp
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Computer type
Laptop
Manufacturer/Model
HP
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