Install VB-Cable; set SDR output to Cable Input, DSDPlus input to Cable Output.
: A frequent cause of startup failure is a missing libfftw3f-3.dll . You must download this file separately (often from FFTW.org) and place it directly into your DSDPlus folder.
Are you using an or a physical radio patched into your PC? Which operating system are you on? dsdplus 271 download fix
The "DSDPlus 271 download fix" is rarely about a single magical file download; it is about correcting a configuration error.
Version 2.71 was released as a standard public version [1]. Do not download it from unverified forums or file-sharing networks. Install VB-Cable; set SDR output to Cable Input,
file and place it directly into your main DSDPlus directory. John's Tech Blog 3. Installation Best Practices Clean Install
Which (DMR, P25, NXDN) are you trying to decode? Are you using an or a physical radio patched into your PC
Many older download links for the required support files (DLLs) have gone offline over the years.