Make sure Audacity is set to record in stereo. Restart Audacity.
Make sure you are playing the audio on the Bose speakers. This probably means you will have to set the Bose as default playback device in Windows Sound. Right-click over the speaker icon by the system clock, then choose “Playback devices”. Now you are in the Playback tab of Windows Sound. If Bose is not shown as Default Device, right-click it and make it so.
If you still get an error, set Audacity project rate (bottom left) to 44100 Hz. Go back to the Playback tab of Windows Sound. Right-click over the Bose then choose “Properties”. Then click the “Advanced” tab. Under “Default Format” choose a 44100 Hz option and uncheck both “Exclusive Mode” boxes.
Restart Audacity. Play the audio you want to record before pressing Record in Audacity.
Then please try changing Audacity project rate to 48000 Hz, and try unchecking both Exclusive Mode boxes in the playback properties of the Bose speakers. Restart Audacity after any changes in Windows Sound.
Please note for most cases you can download online content rather than record it. Please use your favourite search engine to find out how. Obviously you will require content holders’ permission either to download or record.
I believe the Creative card is incompatible with audacity.
More likely the card’s drivers are incompatible with Windows. If your device and software support doesn’t say in clear English “Windows 10,” whether or not it works is a gamble. Windows 10 requires specific, intentional drivers and interface software. Having it work in an earlier version of Windows doesn’t do anything for you.