Houdini_disable_openfx_default_path
"Prelaunch pb? 1" message on every houdini launch | Forums | SideFX
There are several scenarios where you might want to disable the default path for OpenFX plugins: houdini_disable_openfx_default_path
In studio pipelines, technical directors use it to ensure artists only load a sanctioned set of plugins from a network drive, ignoring whatever might be installed on the local workstation. How to Configure "Prelaunch pb
: Disables recurring startup warnings like "Prelaunch pb? 1" or warnings caused by plugins with spaces in their folder names. 1" or warnings caused by plugins with spaces
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
HOUDINI_DISABLE_OPENFX_DEFAULT_PATH is a SideFX Houdini environment variable used to prevent Houdini from automatically scanning and loading OpenFX (OFX) plugins from the operating system's default installation directories.
In Houdini, the environment variable HOUDINI_DISABLE_OPENFX_DEFAULT_PATH is used to prevent Houdini from scanning the system’s default OpenFX plugin directories (e.g., /usr/OFX/Plugins on Linux, C:\Program Files\Common Files\OFX\Plugins on Windows, or /Library/OFX/Plugins on macOS).








