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 three possible solutions:

  • Copy the file sfFTPLib.dll to the same folder as SyncBack (recommended)
  • Rename or delete the file SyncBackSE.exe.manifest or SyncBackPro.exe.manifest or SyncBackFree.exe.manifest. This is not recommended if you are using Windows Vista. Also this may cause other problems with FTP, compression, exporting and importing profiles, and sending emails, therefore it is not 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 (FTP will no longer work):


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