Hi Tomh,
Thank you for notifying me of this. This appears to be an issues for serial numbers starting with 0. I will begin working on a fix today.
In the mean-time
Download your calibration file manually from here
https://productbundlesdemo.kinsta.cloud/custdata/P0300/D03000181.bin
Rename the file from D03000181.bin to D 3000181.bin (notice I replaced the first zero with a space) and place the file in the folder
C:\ProgramData\SignalHound\cal_files
The ProgramData folder is hidden, you will have to show hidden folders in the windows settings, (you can google how to do this if you do not know). You might then have to create the SignalHound and cal_files folder. Drop the calibration file in that folder and then try the starting the software again.
If you do not want to do this, you can wait a day or two for a fix.
I apologize for the inconvenience.
Regards,
A.J.
