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Al's picture

Hi,

It sounds like you have the driver working properly so there is no need to play with Zadig.

The error 'CancelioEx' not found rtlsdr_scan returned -1' is because one of the Python libraries requires this function but it is not found on Windows XP.

You might be able to get it working by uninstalling PySerial and installing this version.  If that doesn't help you could try an old version of Python 2.7.x.

The main problem is that Windows XP is way beyond it's life and is not supported by vast majority of software used by this application.  I highly recommend you switch to a newer version!