Audacity Internal PortAudio Error in Windows
Audacity is an excellent music editing and recording software.
PortAudio is the core library used by Audacity to manage audio input/output.
Here are some effective ways you’ve got the option to refer to.

It can quickly diagnose and fix problems related to audio playback.
Here is how it’s possible for you to do it.
Step 1: Press theWin + Ikeys to open theSettingsapp and click onUpdate & Security.
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Step 2: ChooseTroubleshootand click onAdditional troubleshooters.
Step 3: UnderGet up and running, click onPlaying AudioandRun the troubleshooter.
These services manage the communication between audio devices and services, and enabling them ensures that audio functions properly.

Here are the steps.
Step 1: Press theWin + Rkeys to open theRundialog.
Step 2: Typeservices.mscin the box and pressEnter.
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Step 3: Scroll down the list to findWindows Audio, right-tap on it, and chooseProperties.
Step 4: In theStartup typebox, chooseAutomaticfrom the menu.
Step 5: Finally, click onStart>Apply>OKto confirm the change.
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Step 6: Repeat the steps with theWindows Audio Endpoint Builderservice.
What if the problem of second monitor not working after 24H2 update occurs?
How to fix it?
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Here is a tutorial.
Work with the following steps.
Step 1: Right-press theStartbutton and chooseRunto bring up the dialog.
Step 2: Typemmsys.cplin the box and pressEnter.
Step 3: Under thePlaybacktab, right-choose all disabled devices and chooseEnable.
Step 4: After that, go to theRecordingtab and then enable all the devices.
Performing a Rescan Audio machine can ensure that your system can accurately recognize all connected audio devices.
This is very important for solving audio problems and optimizing gadget usage.
Refer to the steps below.
Step 1: Launch theAudacityapp and go to theTransporttab.
Step 2: Click onRescan Audio Devicesfrom the drop-down list.
This practice will cycle your Audacity.
This operation can fix problems related to audio devices and ensure that they work properly.
Update the audio driver:
Step 1: Right-select theWindowsicon and chooseDevice Manager.
Step 2: hit the small arrow in front ofAudio inputs and outputsto expand it.
Step 3: Right-choose your rig and chooseUpdate driver.
Step 4: In the new window, selectSearch automatically for drivers.
Reinstall the audio driver:
Step 1: Open theDevice Managerand double-click onAudio inputs and outputs.
Step 2: Right-hit the machine and chooseUninstall machine.
reset your system, and Windows will drop in the driver automatically.