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App crash with TWAINDSM.dll_unloaded after scanning

Forums › TWAIN Classic › App crash with TWAINDSM.dll_unloaded after scanning

  • This topic has 1 reply, 2 voices, and was last updated 7 years, 7 months ago by Catherine Sea.
Viewing 2 posts - 1 through 2 (of 2 total)
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  • June 13, 2013 at 6:29 am #22856 Reply
    Massay
    Participant
    • Topics - 9
    • Replies - 2
    • Total Posts - 11

    1. Our application use TWAIN2 (TWAINDSM.dll) to scan, after scanning and general image files, close our application, our application crash. message is TWAINDSM.dll_Unloaded
    2. The issue only occured in Windows 7 32 bit, not occured under 64 bit.
    3. The issue only occured with Canon EL-DR125C, if I used other scanner, has not the issue.
    4. If TWAIN_32.dll is used, there is not problem.

    Can you help to teach me the issue key point? or we can ask driver team to check which point.

    June 17, 2013 at 9:39 am #25919 Reply
    Catherine Sea
    Participant
    • Topics - 0
    • Replies - 59
    • Total Posts - 59

    It might be caused by DEP. You can re-build your app to be NOT DEP compatible and try again.

    Right-click Project in Solution Explorer, click Properties->Configuration Properties->Linker->Advanced->Data Execution Prevention (DEP) and set it to No.

    Catherine Sea
    http://www.dynamsoft.com

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Reply To: App crash with TWAINDSM.dll_unloaded after scanning
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