Q1: Why the MTPdrive cannot recognize my device?
Q2: Why does the Windows Explorer start downloading the files immediately after the drive letter is mapped?
Q3: Where can I find the registration number of my registered MTPdrive copy?
Q4: I have purchased a registration key, how can I enter it to the MTPdrive?
Q5: Is there a way upon log-on to the Windows to automatically map a device that is already connected?
Q6: Automatic mapping does not work in full (registered) version
Q7: Is it possible to initiate a drive letter mapping programmatically from command-line?

Q1: Why the MTPdrive cannot recognize my device?
A1: The MTPdrive can work with any device operating MTP mode. It can be any make or brand, as long as the device is visible in the Windows Explorer.

If you can access the files in the device only using proprietary software bundled with your device, not by Windows Explorer, then the MTPdrive cannot work with it.

Q2: Why does the Windows Explorer start downloading the files immediately after the drive letter is mapped?
A2: This is a "feature" of the Windows Explorer. When you use the Windows Explorer to explore a local drive, it looks for additional information about the files - metadata. In case of pictures it typically reads EXIF information embedded inside of the picture files. To obtain the metadata, just a portion of a file needs to be read.

Because a MTPdrive mapped drive looks the same as any other local drive letter, the Windows Explorer attempts to read the picture metadata as usually. Here the same request for a partial read must be accomplished by full picture transfer, as the MTP protocol does not support partial file reads. Sometimes this "feature" can cause the trial limit quota in the MTPdrive to be used up just for these automatic Windows Explorer downloads.

Q3: Where can I find the registration number of my registered MTPdrive copy?
A3: Assuming you have already purchased and entered a registration key into the 'MTPdrive Settings' application. If you have not, please follow the Q4. The registration number is displayed in the 'Registered by' section of any MTPdrive window:

  • Main MTPdrive application window
  • 'About' tab of the 'MTPdrive Settings' application
  • 'MTPdrive' property sheet under the MTPdrive mapped drive's properties


E.g. in the screenshot above the registration number is '00000-00000-00000-00000-00000'.

Q4: I have purchased a registration key, how can I enter it to the MTPdrive?
A4: To enter a registration key to the MTPdrive, use 'MTPdrive Settings' application. It can be launched several ways:

  • Through Windows Start menu:
        Start->Programs->MTPdrive->MTPdrive Settings
  • Accessible by clicking at the 'Settings' button in any MTPdrive window
  • It is visible in Windows Control Panel. When Category view in the Control Panel is enabled, you can find it under 'Other Control Panel Options', or 'Printers and Other Hardware' category.


Once the 'MTPdrive Settings' application is running, click at the 'About' tab and there click at the 'Enter registration key...' button. Then follow the instruction displayed in the 'Enter registration key' window.


Q5: Is there a way upon log-on to the Windows to automatically map a device that is already connected?
A5: The already connected device get disconnected when you log off from your computer. If you log in back the device does not get mapped back as there is no "Device Connected" hardware event which could restore it. To overcome this issue there is a command line option /startup which allows to restore this mapping again.

In order to have the mapping restored for a particular device you need to satisfy all these conditions:

  • Have a valid MTPdrive registration key
  • "Map automatically" settings must be enabled for the device you want to restore the mapping for
  • Invoke the MTPdrive execuable with /startup option upon logon like this:

        "C:\Program Files\MTPdrive\MTPdrive.exe" /startup

    You can for example place a shortcut in your Start->Programs->Startup folder to do it automatically.
Note: If some of the contitions are not met the mapping is not restored and there is no info/warning/error message showed.

Q6: Automatic mapping does work not in full (registered) version
A6: In order to have the auto-mapping working completely automatically the "Device Connected" events need to be delivered by the Microsoft Windows to the MTPdrive first (which is not the case by default). The easiest way to do it is to enable this MTPdrive Setting:

"Always route 'Device Connected' events for all devices (existing or newly installed) to the MTPdrive. Uncheck if you want to configure it yourself in Windows AutoPlay/Device Stage."
Click here to see the Settings dialog

Once enabled/checked, close the MTPdrive Setting application and re-connect your device/camera to make it working.

Q7: Is it possible to initiate a drive letter mapping programmatically from command-line?
A7: There is not possible to map a drive letter using command-line, also there is no API/COM interface either. The mapping is driven by hardware events (camera connected/disconnected).


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