FL Studio - How To EASY Fix Freezing Plugin (Spire) 

In this tutorial I am showing how to fix freezing Spire while going trough presets.
GO TO: Detailed Settings - VST wrapper settings - Enable Don't allow stealing keyboard focus
Let me know in the comments if it worked for you as well, or if it worked for other 3rd party plugin. Hope It is going to help you.
Thanks ang good luck with production!
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/ djandycrumb
/ andy-crumb