Houdini_disable_openfx_default_path Jun 2026

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

This variable is primarily used as a troubleshooting tool or for pipeline management: houdini_disable_openfx_default_path

Set this variable to 1 if Houdini crashes or slows down during startup due to a buggy or incompatible OpenFX plugin installed in the default system path. It forces Houdini to only load OpenFX plugins from paths explicitly specified in HOUDINI_OPENFX_PLUGIN_PATH , giving you full control and avoiding problematic system-wide plug‑ins. Add it to your houdini

set HOUDINI_DISABLE_OPENFX_DEFAULT_PATH=1 By default, Houdini searches for OFX plugins in

Tips * You can quickly display the contents and order of the Houdini Path in Houdini's Python shell by calling hou. houdiniPath(). OpenFX - SideFX

houdini_disable_openfx_default_path is an environment variable that allows you to control whether Houdini uses its default path for OpenFX plugins. By default, Houdini searches for OFX plugins in a specific directory. However, in some cases, you might want to override this behavior or use a custom path. This variable provides a way to disable the default path and use a custom one instead.

If you still need specific plugins to load while this is active, you manually set the OFX_PLUGIN_PATH to point directly to those plugin folders.