DeBleeder FAQ

  1. Is my system / DAW Supported?

Debleeder is currently supported on Win XP, Win 7 and Win10, and OSX Snow Leopard up until Catalina. (see Catalina section for support information). Right now it does not work on Big Sur, Depending on what Apple ultimately does with the security model in Big Sur it may never work. If you need this functionality for Big Sur you are better right now to search for an alternate product. 

VST, VST3 and AU are supported for both 32 and 64bit flavors making them compatible with most DAWs which use these formats.

Native AAX is supported for modern Avid systems (Protools 10.3.7 and above).  AAX DSP is not supported at this time.

  1. OSX Catalina (and Mojave) Support

OSX Catalina and to some extent Mojave included additional security measures and requirements to install 3rd party software.  In addition, the loss of 32bit support means many DAWs are no longer supported or awaiting patches.  As such, we don’t provide formal support yet either for those DAW's.

However, Debleeder should work in DAWs that are supported, so long as you can add permissions.  It should be possible to grant a permission exemption for only DeBleeder.  See the end of the linked Apple Support article:

"How to open an app that hasn’t been notarized or is from an unidentified developer"

If you are still having trouble please let us know what error messages you are receiving and what DAWs you are trying it with.

For installation of AU's OSX needs to be rebooted as it creates a cache of them and this is only updated when the machine is rebooted. 

I get the following in Catalina what do I do?

If you get this message you are close to be finished hit "Cancel" you than will see a message saying it is from an unidentified developer. Hit the button to let it run and you should be done. 

Sometime this does not do it completely, on one app I had to go back to the panel a second time and unlocked the security panel (hit the lock icon lower left corner of panel and unlock the panel) to allow the open anyway button to unlock and clicked it a second time. After that it ran fine. 

Alternate way to deal with security issue Below

Great link to complete instructions on how to install in automator a script to remove the quarantine attribute that Apple has added to the security system. Works like a charm for any of the debleeder files as well as any files you download where apple gives you grieve. Took about 4 minutes to set up (I am quite familiar with automator though). Very useful. You may need to copy the link to your browser. 

Video Link to a 10 minute example showing what is happening. May put you to sleep

  1. Do I need a network connection or internet connectivity to use DeBleeder

No.  Other than downloading the installation package and/or moving that to the installation machine, you do not need internet connectivity or network during installation or to run the plugin. 

  1. Do I need an iLok or other software key

 While DeBleeder carries digital signatures to work with Avid Products – it does NOT have any special security requirements or need hardware or software keys to run on your system. 

  1. Does DeBleeder Support AAX DSP / Avid Venue SL6 or other consoles

At this time, AAX DSP or console installation is not supported.

  1. Logic:X: Can’t find DeBleeder

While it should just be a matter of copying DeBleeder into the correct folder, LogicX is dependent on validated AU cache (rather than just being present the folder like other DAWs).  Here are some notes if you are having trouble with detection:

  • LogicX in particular is 64bit only, so only copy the 64bit version. The 32bit version may prevent detection/validation of the 64bit plugin it needs. 
  • Make sure to try the MacHD library folder. It may not always cache from a user library folder. (see:
  • After copying, you may need to do a full restart - the cache does not always get rescanned and Logic does not just search the folder when launching. 
  • Also note for Logic you only need to install the DeBleeder_64.component. Do not install the 32 bit one as it may cause conflicts. You do not need to install anything else for Logic.

I have been doing all this and now Logic no longer sees the component. How do I fix that?

Moving the plugin  in  and and out of the au folder with restarts in between makes it scan again, giving the security warning and then after clearing the au cache I now was able to allow it via the security panel to run. 

  1. Protools: Can’t Find DeBleeder

If you did not get an error message when launching ProTools, but the plugin is still missing from your plugin list – then you did not likely copy to the correct folder.  Please see: for the correct installation folder.

  • When Pro Tools launches. I get an  Error “it is not a 64bit compatible plugin”.

If you see that message starting Protools, the plugin is in the right place, but it was modified and has lost the digital signature.  Did you decompress the archive on another machine?  Please try a clean download to the install machine (or copy the whole archive), unzip and replace the copy you have.  It should then authenticate correctly.  

  • Using Side Chains with DBleeder
The external sidechain for DeBleeder works the same in all DAWs.  However, to make that happen, we had to use the main input bus.  This is also why it is is not supported on the mono track instances. 
On stereo or quad tracks, enabling the EXT splits the inputs.  So in stereo mode the first input (L) is input and second (R) is the EXT trigger.
The trigger is filtered from the output which is leveled so you can mix from there with a stereo panner.
Quad tracks just allow stereo processing and stereo (treated as L+R) trigger.
This means the routing of the trigger is up to your session, but keeps a uniform behavior for all the plugin formats.
  • How do I see hidden files on OSX Catalina
A quick way to see hidden folders is as follows. This only works on Sierra or later. Quite useful for when you need to copy files to your hidden Protools directory. All hidden files/folders should be able to be seen.
  1. Open the Finder
  2. Go to your Macintosh HD folder (access this from Devices or Locations in the left column - it may have a name you gave it, e.g. "[your] MacBook Pro").
  3. Click on Home.
  4. Hold down Cmd + Shift + . (dot)
  5. All the hidden files will become visible.
  6. Hold down Cmd + Shift + . (dot) a second time to hide the files again.
  • Why are there 3 different versions of the VST's
All of the versions of DeBleeder have the same functionality and behavior with the exception of channel counts.
In flexible DAWs such as Reaper, you only need the unnamed version which is 4in-2out. The first two ins are stereo processed to output, but will work on mono sources as well. The extra two inputs are for use with external triggers that work like side chain inputs in that mode.
The mono and stereo versions are for when you don't have the ability to route the inputs the way you want. Many DAWs require only mono 1-1 for mono tracks or stereo 2-2 for stereo tracks.
The stereo version can also be put in external trigger mode, but then the inputs are split. Working as a mono plugin on the left signal and sidechain on the right. The output in that case will be dual mono and ready for panning.
The mono version processes the same way as the other two. However, you can't enable the external trigger because there is only one input. If you only ever use mono tracks with normal processing, it won't actually matter which version it loads.  All three will have the same effect.