Every Spitfire Audio Plugin Error and What it Means


Here is a list of the different types of errors you could experience when using our dedicated plugin libraries (libraries that do not use Kontakt). If you cannot resolve the error using the instructions provided, you should reach out to our support team so that we can resolve this for you: www.spitfireaudio.com/support.

Error 1

Error 1 is caused because the plugin cannot locate the Patches and Preset folders. This error can also occur on Macintosh computers that use the M1/ Apple Silicon chipset, and on Windows machines that have a changing Mac Address and/or Network device. For cases involving Windows machines, it is best to contact our support team so that we can discuss and troubleshoot your specific case.

Error 2

Error 2 occurs because you do not have the most recent update to the library plugin. You should first check the Application, to see if there is an update available for the plugin. For libraries such as BBC SO and Eric Whitacre Choir, be aware that there is a separate installation for the plugin. If there is no update available, you should remove the current library plugins from your system and then repair the library in the Spitfire Audio App. This will replace the plugin with the latest version available on our site.

The plugin locations are as follows:


AAX: C:\Program Files\Common Files\Avid\Audio\Plug-Ins

VST: C:\Program Files\VstPlugins

VST3: C:\Program Files\Common Files\VST3


AU: MacHD/Library/Audio/Plug Ins/Components

VST: MacHD/Library/Audio/Plug Ins/VST

VST3: MacHD/Library/Audio/Plug Ins/VST3

AAX: MacHD/Library/Application Support/Avid/Audio/Plug Ins

Error 3

Error 3 occurs if the plugin cannot find the library folder. This can happen because you have moved the library folder without relocating the library in the Spitfire Audio App, or you have installed the plugin only for a library that has separate plugin and library contents installations (e.g. BBC Symphony Orchestra). In some cases on Mac 10.14 or above, this can also occur if your Digital Audio Workstation does not have Full Disk Access.

If you have this error with LABS, you only need to Locate one LABS library to relocate them all.

Error 4

Error 4 occurs due to the sample content being missing from the library contents folder. In the majority of cases, this has happened because the user has repaired the library in the wrong location, and you should check that you default content path is set to the folder/ hard drive that contains your library folder(s).

Error 5

Error 5 occurs because the plugin cannot locate the spitfire.properties folder. In the majority of Windows cases, this is because you are using an Admin and User account setup, and have only installed the library on one of these accounts. The fix is to copy the spitfire.properties folder over from the Admin account to the User account whenever you have installed or repaired a library.

Currently on Macintosh, LABS can output Error 5 incorrectly and in most cases, this is actually Error 3. We are working on a fix for this to be released as soon as possible. In the meantime see the Error 3 fix above.

Error 6

Error 6 is very rare, but occurs if you sample files have become corrupted or have been edited by the user (e.g. if you have renamed a sample file). It most cases, you can identify the corrupt files by filtering out the files that contain zero bytes. If you are using a big library, like BBC SO, you should reach out to support as we can provide you with individual replacement sample files. If you are using a smaller library like Originals, you will find it quicker to simply delete your current folder and redownload the library contents via the Spitfire Audio App.


  • this plugin sucks, doesn't even work properly.

  • Angus
    Angus admin
    500 Comments 50 Answers 250 Likes Spitfire Employee

    Hi @Idris

    Have you tried reaching out to our support team at www.spitfireaudio.com/support?

    We will be able to help you troubleshoot the error, and offer advice to make sure you can permanently fix your plugins.

  • When I try to download free sample inside spitfire and try to install , It shows installation error why?

  • Hi @maniiicon

    I have created a ticket for you so that our team can investigate.