WiX: "Copying New Files File: [1], Directory: [9], Size [6]" shown during MSI installation

Question

Recently, I noticed strange text messages when installing our MSI created in WiX 3.11 + VS 2017. I see " Copying new files File: [1], Directory: [9], Size [6] ":

Similarly, during uninstall, I get the following:

This happens on the latest version of Windows 10 Pro build 15063.296. It seems I have not noticed this before. I tried the same installer on Win 7, which has not been updated for some time, and it worked correctly (or better):

, , . . ? , ?

Answer 1

. , , <Product> wxs:

<UIRef Id="WixUI_ErrorProgressText" />

MSI Windows ActionText, . this tutorial. , Windows , Wix. " " Win 7, " : [1], Directory: [9], [6]" Win 10.

WixUI_ErrorProgressText , Wix ( ), .

Wix ( ):

" : [1], : [9], [6]"

, . ProgressDlg Wix . , ActionData. . , PrepareDlg.