RECORDING

can no longer record sound files streamed from computer or from computer it worked till i updated audacity now does not what can be done or undone to fix ?

See here for how to set up recording sounds that are playing on the computer: https://manual.audacityteam.org/man/tutorial_recording_audio_playing_on_the_computer.html
If you need further help, please say exactly which version of Audacity, which version of Windows, and describe precisely what you are doing and what is happening.