Q100038: Launching Nuke/NukeX/NukeStudio/Hiero in safe mode

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SUMMARY

This article shows how to launch Nuke, NukeX, NukeStudio or Hiero in safe mode. This is useful for troubleshooting problems you may encounter.

MORE INFORMATION

When Nuke runs in safe mode it will not load any 3rd party plug-ins or user customisations and only runs using the contents of the Nuke install directory.

It specifically prevents the loading of custom python plugins and export presets on startup and stops any scripts or plugins in ~/.nuke and $NUKE_PATH locations from being executed. OFX plugins are also prevented from being loaded (including FurnaceCore).

Nuke's safe mode can help determine if any problems you encounter are caused by user customisations and/or 3rd party plug-ins or if they happen with the core Nuke install.

 

LAUNCH INSTRUCTIONS

You can launch Nuke/NukeX/NukeStudio/Hiero in safe mode from a command prompt or terminal with the --safe flag. Exact steps are below.

NOTE:

to launch NukeX in safe mode simply add '--nukex'. For example: Nuke10.0.exe --safe --nukex

to launch NukeStudio in safe mode simply add '--studio'. For example: Nuke10.0.exe --safe --studio

to launch Hiero in safe mode simply add '--hiero'. For example: Nuke10.0.exe --safe --hiero

Windows:
Open a Command Prompt and run the following command:

"C:\Program Files\Nuke10.0v1\Nuke10.0.exe" --safe

OSX:
Open a Terminal from Applications > Utilities and run the following command (note this should all be on one line)

/Applications/Nuke10.0v1/Nuke10.0v1.app/Contents/MacOS/Nuke10.0v1 --safe

Linux:

Run the following in a terminal

/usr/local/Nuke10.0v1/Nuke10.0 --safe

TIP: If you wish to see all of the command line options available for Nuke then you can replace '--safe' with '--help' to get a list of options.

NEXT STEPS 

If launching Nuke/NukeX/NukeStudio/Hiero in safe mode resolves your issue, then this would indicate a customisation or plugin is the likely cause for the problem you are encountering.

We would recommend that you remove all plugins and customisations and reintroduce them one by one until you encounter the issue again. This will enable you to determine what is causing the problem.

If this doesn't resolve the problem then please open a Support ticket and let us know the exact issue you are encountering and the troubleshooting steps you have taken so far.
 
For more information on how to open a Support ticket, please refer to the 'Using the Support Portal' article.

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