Bulk Rename Utility

How to replace the caracter « space » (ie : « ») in « Replace (3) ».
I've try but « space » is not recognize.
It the same bug to you ?
I have 3.4.3.0 version

Best regards and thanks to your help

(If I'm understanding...)

In 3:Replace, in the Replace: field, hit the spacebar, & do nothing with the With: field.