Problem saving presets in ToneX

[jungjh5]

If you set the tone in the PC editor and set the expression pedal on the device, the tone cannot be modified in the PC editor.

[Peter_IK]

I'm not sure what would cause the issue you are having but I suggest reaching out to IK Support via https://www.ikmultimedia.com/contact-support/hw for direct and official technical support. I am sure they can figure out what is going on and take care.