Can't seem to uncheck windows ink.

Hi,

I was having trouble (all of a sudden) with the pressure sensitivity.
Then noticed the windows ink check box is ticked but greyed out so I cant change it. See screengrab.

Its always off in my wacom settings. So Im not sure why this has changed since the last time I opened expresii.

Is there a way to force uncheck windows ink?

Thanks

Is it grayed out?  If so, that means Expresii can't find the wintab32.dll provided by third-party vendor (i.e. in your case, Wacom). You can verify that by searching for wintab32.dll in your Windows system folder.
The file being missing could be a result of you installing another vendor's driver (e.g. Huion's) and then uninstall it (because every vendor would just overwrite the wintab32.dll in windows' system folder).  
To fix this, you can try installing Wacom's driver again, so that it would put its own wintab32.dll there again.

Let me know if this fixes the issue.

Thank you this fixed it!