How to Fix Audacity Error Code 9999 on Windows 10

Many users have a complaint that Audacity showing an error message 9999 when they are trying to edit any audio. There are few main reasons behind this error code that can be fixed in Audacity.

I have listed some easy methods that can be used to fix the Audacity on Windows 10.

About Audacity 

Audacity revolutionized sound mixing and recording. It went public in 2000 as a free, user-friendly multi-tracking audio editor for Windows, macOS, and Linux. Currently, it is the most popular software on FossHub, with a whopping 110 million downloads. Before 2015, Google Code and SourceForge hosted it. It is open-source and falls under the GNU General Public License (GPL).

Error 9999: Unanticipated Host Error

Users may face error 9999 while performing auto-editing work. Generally, it indicates that Audacity failed to detect and connect to the microphone needed for the audio recording session.

Fix: Audacity error code 9999

If you come across the issue, first check your external microphone’s connection to the port. As a trial and error measure, you can try switching ports if your computer configuration supports it.

If the problem is not with the hardware, attempt the procedures to troubleshoot the software.

How to fix Audacity Error 9999?

Tap into your Privacy Settings

The first and simple method to fix this error is to reboot your PC and ensure third-party apps like Audacity can access the microphone.

Please note that Windows 10 Creator’s Edition automatically prevents access to your microphone and, users need to enable it manually.

Here are the steps to configure your system –

  1. Close the Audacity city first.
  2. Click on Windows logo, type Privacy Settings and click on it
    privacy settings in Windows 10
  3. On left-hand-side, under the “App permissions” click on Select Microphone.
  4. Toggle to turn on the “Allow apps to access your microphone” option.

Allow apps to access your microphone in Windows 10

Alternatively, there is an shortcut to launch the Microphone Settings.

1) Press Windows+R button

2) Type ms-settings:privacy-microphone

3) Click on OK and the Microphone settings window will open.

Disable or close video communication apps

Users have reported that programs like Skype or Microsoft Teams running in the background may affect Audacity. Skype tends to block the default recording device for itself, and as such, Audacity cannot access it.

You can easily disable background apps using Task Manager –

  1. Hold down Ctrl + Shift + Esc to open the Task Manager.
  2. Navigate to the Processes tab, right-click on the program.
  3. Click “End task” from the drop-down list.

You can also close Skype by right-clicking the icon in the tray bar as well.

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Disable the Antivirus

Third-party antivirus programs often conflict with Audacity and show an error code 9999. You can try disabling your real-time virus protection temporarily or permanently from the tray bar in Windows. Right-click on the antivirus icon, and you will find the option.

You should also check the firewall settings on Windows Defender for restrictions.

Disable Host Intrusion Protection

Third-party Kaspersky Antivirus users have also reported that particular security features block untrusted apps from accessing your microphone. Primarily if you use Kaspersky, it is called Host Intrusion Protection.

Here are the steps to shut it down:

  1. Navigate to the Settings menu in Kaspersky Endpoint Security.
  2. Under Advanced Threat Protection, you will find “Host Intrusion Protection.”
  3. Open the Applications screen, and move Audacity to “Trusted” from “Low Restricted.”

Different versions of Avast Antivirus may have slightly different steps but can be disabled using the above methods.

Run a clean boot

A clean boot refers to loading the critical processes and services while closing all third-party programs during the boot process. You can perform the procedure using Microsoft Configuration Utility (MSConfig) –

  1. Hold down the Win+R button, type MSConfig and hit Enter button
  2. Click on the Services tab, check the “Hide all Microsoft services” checkbox.
  3. Click on “Disable All”
  4. Now go to the Startup Tab
  5. Right-click on every startup application one by one and select “Disable.”
  6. Close the Task Manager.
  7. Click on OK and reboot your system.

This way you can check whether the Audacity error is showing anymore or not.

If all of the above methods didn’t work then follow the next method.

Re-install Audacity Software

This is the last method that one can try to fix the error code 9999:

1) Press the Windows key, type Control Panel, and click on it

2) Click on Uninstall a Program

3) Locate Audacity, right-click and choose Uninstall

uninstall audacity

4) Once done then download the latest copy of the Audacity and install it.

It is easy to fix the Audacity Error code 9999 if you follow the above methods.

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Founder and Writer @ WinOSBite. Future plan is to make this platform open to community to resolve and discuss various issues, usage related to Operating System.

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