: It is a primary troubleshooting step when Houdini 20.5+ fails to launch due to incompatible or expired OFX plugins.
Comments Section. mournfultits. • 6mo ago. had the same issue, if you don't want to or need to not delete your ofx folder for othe... Reddit OpenFX - SideFX Choose Start ▸ Edit environment variables for your account. Click New. Set Variable name to OFX_PLUGIN_PATH . Set Variable value t... SideFX OpenFX - SideFX If you want to load your system's OpenFX plug-ins, set the HOUDINI_DISABLE_OPENFX_DEFAULT_PATH environment variable to 0 . Setting... SideFX OpenFX - SideFX Setting up the OpenFX environment variable * Choose Start ▸ Edit environment variables for your account. * Click New. * Set Variab... SideFX Topaz Plugin warning at launch of 20.5.313? | Forums - SideFX Aug 1, 2024 — houdini_disable_openfx_default_path
There are several scenarios where you might want to disable the default path for OpenFX plugins: : It is a primary troubleshooting step when Houdini 20
Add it to your houdini.env file for a permanent solution. • 6mo ago
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.
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
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.