Tom, What version are you trying. AFAIK, version 5.17 will not run on Win7, but version 16 will. 73, Don W3FPR On 11/8/2013 1:17 AM, Tom Field wrote: > Just out of curiosity, has anyone been able to run Spectrogram on Windows 7 > or Windows 8. I haven't had any luck, and would like to reset my filters. > >