diff --git a/data_from_portwine/port_on b/data_from_portwine/port_on
index 29fcdb29..ecbab1b9 100755
--- a/data_from_portwine/port_on
+++ b/data_from_portwine/port_on
@@ -135,6 +135,9 @@ class CompatData:
             makedirs(self.prefix_dir + "/drive_c")
             set_dir_casefold_bit(self.prefix_dir + "/drive_c")
 
+        if not os.path.exists(self.prefix_dir + "/user.reg"):
+            self.copy_pfx()
+
         use_wined3d = "wined3d" in g_session.compat_config
         use_dxvk_dxgi = "WINEDLLOVERRIDES" in g_session.env and "dxgi=n" in g_session.env["WINEDLLOVERRIDES"]
 
@@ -228,7 +231,7 @@ class Session:
     def __init__(self):
         self.env = dict(os.environ)
         self.dlloverrides = {
-                "dotnetfx35.exe": "b" #replace the broken installer, as does Windows
+                "steam.exe": "n"
         }
 
         self.compat_config = set()
diff --git a/data_from_portwine/scripts/runlib b/data_from_portwine/scripts/runlib
index dbbaabd6..457853d8 100755
--- a/data_from_portwine/scripts/runlib
+++ b/data_from_portwine/scripts/runlib
@@ -153,6 +153,7 @@ echo "DXVK_HUD=${DXVK_HUD}"
 
 if [ "${var_dxvk_on}" != "off" ]; then
     export PW_USE_WINED3D=0
+    export WINEDLLOVERRIDES="${WINEDLLOVERRIDES}:dxgi=n"
     echo "Use DXVK and D9VK (DX9-DX11 to Vulkan)"
 else
     export PW_USE_WINED3D=1