Locate the original EMP.dll from the original Hogwarts Legacy EMPRESS installer file you've downloaded. Copy the EMP.dll to the file where you've installed your Hogwarts Legacy EMPRESS game, then replace the emp.dll within it with the EMP.dll. This worked for me. I hope it does for you, too. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.