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Asked: 2026-05-25T06:03:22+00:00

FindFirstFile function is causing There is no disc in the drive. Please insert a

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FindFirstFile function is causing “There is no disc in the drive. Please insert a disc into drive” Error. The cause of this error is that there is no sd-card in the USB stick and it’s empty. My problem is that I have to scan all the drives for a specific directory and I cannot distinguish whether the drive is empty or not. How can I do this?

I am developing application for Windows and I am using MFC for development.

Any help would be highly appreciated.

Farooq-

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1 Answer

  1. Editorial Team

    I’m guessing a little, but I suspect you need to call SetErrorMode() passing the SEM_FAILCRITICALERRORS flag to suppress this dialog appearing. Instead FindFirstFile() will return a failure code and you can move on to the next drive in the enumeration.

    Edit: For Windows 7 and up, consider SetThreadErrorMode() instead. That limits the effect of the mode. Also remember to restore the original mode as soon as possible.

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