Replace the Data folder in AveApps\Windows Style Builder with the one found in:
Windows Style Builder RS1 > Windows Style Builder 10-10 RS1 > Data folder
which you can download here:
https://www.vistastylebuilder.com/forum/index.php?topic=2325.0that corrects all the DWM classes and more in rs1 and rs2 so you can edit your msstyle as usual
You have to do this because the DWM classes are a mess in the default Data folder editing rs1 and rs2. Mr Grim fixed this