You must have every preceding part in the series (SignalComplete.7z.001, .002, etc.) in the same directory .
To help you further, could you tell me you are using and if you are missing any of the other numbered files ? SignalComplete.7z.007
This usually means part .008 (or higher) is missing, or one of the files was corrupted during download. You must have every preceding part in the
You need an archive manager that supports multi-part 7z files. 7-Zip (Recommended for Windows) — Download from 7-zip.org SignalComplete.7z.007
Always right-click on the .001 file (not the .007 file). Run Extraction: