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Error message: Failed to create decompression directory


After deploying your barcode reading application powered by Dynamsoft Barcode Reader, you may receive the following error message returned by our SDK:

Failed to create decompression directory


Dynamsoft's .NET DLL (Dynamsoft.BarcodeReader.dll) failed to create decompression directory


  1. Please navigate to the the installation directory and find the C++ DLLs. Typically they could be found at:
    C:\Program Files (x86)\Dynamsoft\Barcode Reader {Version Number}\Components\C_C++\Redist\
  2. Copy DynamsoftBarcodeReaderx86.dll, DynamsoftBarcodeReaderx64.dll, DynamicPdf.dll and DynamicPdfx64.dll, and paste them into the same directory as your EXE application.

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Last Updated
15th of January, 2016

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