XnView Software

Hi )
If I use XnConvert and set 12 threads - all work fast , but if I use XnView MP and press ctrl+u and next try transcoding files there , I recive single thread task even if I set multi-thread ) why ?
See video )

because you use 'ask' for overwriting setting (which can't be used in multi thread)

Thank you , I understand , please , do automaticly deactivate Multi-Threading if use Ask , if I select replace or any other - all work I mean what if select ask , to Use multiple CPU cores to gray