This article provides information about the error message This application has failed to start because the application configuration is incorrect that may appear in a dialog box when SyncBack is run.

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The error is because the file sfFTPLib.dll is not in the same folder as SyncBack. There are two possible solutions:

  • Copy the file sfFTPLib.dll to the same folder as SyncBack (recommended)
  • Modify the file SyncBackSE.exe.manifest or SyncBackPro.exe.manifest or SyncBackFree.exe.manifest (using Notepad or another text file editor) and remove the following lines from it:


<assemblyIdentity type=“win32” name=“sfFTPLib” version=“” language=“*” processorArchitecture=“x86”/>