Houdini_disable_openfx_default_path — !!exclusive!!

By default, Houdini scans standard system paths for OFX plugins (like Boris FX Sapphire or Topaz Video AI) to populate nodes within the network. Setting this variable to 1 stops this behavior, restricting Houdini's search only to directories explicitly defined in your OFX_PLUGIN_PATH . Use Cases

Users often see a "Prelaunch pb? 1" or Topaz/Sapphire plugin warning at launch. Setting this variable to 1 stops Houdini from attempting to load these specific background services. houdini_disable_openfx_default_path

: Disables recurring startup warnings like "Prelaunch pb? 1" or warnings caused by plugins with spaces in their folder names. By default, Houdini scans standard system paths for

To enable this feature, add the following to your houdini.env file or system environment variables: HOUDINI_DISABLE_OPENFX_DEFAULT_PATH = 1 Use code with caution. Copied to clipboard 1" or Topaz/Sapphire plugin warning at launch

Add it to your houdini.env file for a permanent solution.