After some searching, deleting lines duplicates, etc. and trying to launch again Find Dialog:

I couldn't repro yet; I am creating this issue as soon as I get the error.
Interesting, but need the repro 'steps'...
Steps:


Tried on win10, with additional XML file for 'open'. no repro...
Jairo, you tested not clean Cud, but with changed theme and changed 'find_separate_form'. do you have repro on clean Cud?
Creating a little video but yes now really with a fresh install

Could you repro Alex?
yes! thanks. I fixed it. it's too big 'initial caret pos' passed to 'small' editor.
beta cudatext-win-x64-1.133.6.4.zip
Excellent Alex!!!!
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Creating a little video but yes now really with a fresh install