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Find answers to common questions below. If you can't find an answer to your question, email [email protected] for assistance.

Authorizing Your Plugin

  • I get an "Invalid License" error

    This happens when the email address or serial number that you entered does not match what is stored on our servers. Here are a couple things to check:

    • The email field is case-sensitive. Your email must be entered exactly as shown in your welcome email.

    • The serial number is in the form: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.

    • Did you mistake an "O" for a "0" or a "1" for an "I"?

    If you continue to have problems with the authorization panel, you might have more luck authorizing your plugin manually. See Can I authorize my plugin offline?

  • Can I authorize my plugin offline?

    You can authorize your plugin offline by creating a license file. Here's how:

    1. Get your license information.
    2. Copy the three lines of your license (email address, serial number and license signature) and paste them in a text editor (Notepad on Windows or TextEdit on Mac OS X).

      Note: in TextEdit, choose Format > Make Plain Text.

    3. Save the license file as a plain text file with the appropriate name:

      K-Meter kmeter-license.txt
      LCAST Stereo lcast-stereo-license.txt
      LCAST Surround lcast-surround-license.txt
      Perception perception-license.txt
    4. Copy the license file to the following folders:

      Mac OS X
      AAX /Library/Application Support/Avid/Audio/Plug-Ins
      AU /Library/Audio/Plug-Ins/Components
      VST /Library/Audio/Plug-Ins/VST
      AAX x86 C:\Program Files (x86)\Common Files\Avid\Audio\Plug-Ins
      VST x86 C:\Program Files (x86)\Steinberg\VSTPlugins
      AAX x64 C:\Program Files\Common Files\Avid\Audio\Plug-Ins
      VST x64 C:\Program Files\Steinberg\VSTPlugins

      Note: these are default folders. If you installed your plugin in a different folder, copy the license file there instead.

    5. Open your DAW, insert your plugin and open its editor. If the license file is valid and in the correct folder, the authorization panel will no longer appear.

  • My download links expired. Where do I get new ones?
  • Where can I find my license information?

    You can get your license information by entering your email address (the one you used when purchasing) on our download page.

  • My plugin won't recognize keystrokes. How can I authorize it?
  • Can I authorize my plugin on multiple computers?

    Yes, if the other computers are for personal use. If multiple people will be using the plugin, we kindly ask that you purchase additional licenses for each user.


  • How do I uninstall a plugin?
    Mac OS X

    Move the following files to the trash:

    • /Library/Application Support/Avid/Audio/Plug-Ins/MeterPlugs <Plugin Name>.aaxplugin
    • /Library/Audio/Plug-Ins/Components/MeterPlugs <Plugin Name>.component
    • /Library/Audio/Plug-Ins/VST/MeterPlugs <Plugin Name>.vst
    1. Click the Start button, then Control Panel, then Programs, and then Programs and Features.
    2. Select "MeterPlugs <Plugin Name>" and then click Uninstall.


Reporting Bugs