
To remove the Toolbox flag from custom fastener parts, follow the instructions on the blog post Removing the Toolbox Internal Flag. A better option is to remove the Toolbox attribute from standalone part files.With the option disabled, you will have no further troubles in the future. You will need to correct the references back to your custom parts. However if you have opened any assembly with the option turned on, and then saved the assembly, this actually modifies and keeps the references to the Toolbox.

This will stop your references from switching to the Toolbox. You can also access the SOLIDWORKS Toolbox setting by going into Tools, Options, System Options, Hole Wizard/Toolbox, Configure inside of SolidWorks. You can get to the settings from Start, All Programs, SOLIDWORKS 2014, SOLIDWORKS Tools, Toolbox Settings 2014.

When this option is enabled, assembly files that are referencing Toolbox components saved outside of the Toolbox database are automatically changed to have the references point to the Toolbox for the fasteners. SOLIDWORKS Toolbox Search Location When is this option useful?
