diff --git a/rosapps/downloader/patches/d2fix.c b/rosapps/downloader/patches/d2fix.c
new file mode 100644
index 00000000000..f2f09bdd09e
--- /dev/null
+++ b/rosapps/downloader/patches/d2fix.c
@@ -0,0 +1,36 @@
+#include <windows.h>
+#include <stdio.h>
+
+int main()
+{
+ 
+  HKEY hKey; 
+  DWORD dwVal = 1;
+  DWORD dwSize = MAX_PATH;
+  DWORD lpdwDisposition = 0;
+  CHAR szBuf[MAX_PATH];
+
+  printf("%s", "Setting Diablo 2 commandline parameters to -w -glide...");
+
+  if (RegCreateKeyExA (HKEY_CURRENT_USER,
+                    "SOFTWARE\\Blizzard Entertainment\\Diablo II Shareware",
+                    0,
+					NULL,
+                    0,
+					KEY_ALL_ACCESS,
+					NULL,
+                    &hKey,
+					&lpdwDisposition)); 
+  {
+    strcpy(szBuf, "-w -glide");
+
+    RegSetValueExA(hKey, "UseCmdLine", 0, REG_DWORD, (LPCSTR)&dwVal, sizeof(dwVal));
+    RegSetValueExA(hKey, "CmdLine", 0, REG_SZ, (LPCSTR)szBuf, strlen(szBuf)+1);
+
+    RegCloseKey(hKey);
+	printf("%s", "done.");
+
+  }
+
+  return 0;
+}