IR vfb view Vs History panel

[HOSSAIN7]

in IR (interactive render) View there is no noise But, if you save it in history panel for A/B test, why is it showing noise? i trying solve it with various way like (corona plugin install and unistall, graphic driver update, 3ds max ENU folder change) etc. but still problem not solved.
Plz i need help.....

[pokoy]

The history doesn't save the denoised version of the image, unfortunately.
It's a known issue, and already reported. Fingers crossed it'll be resolved.