Index: dll/win32/setupapi/dirid.c
===================================================================
--- dll/win32/setupapi/dirid.c	(revision 61145)
+++ dll/win32/setupapi/dirid.c	(working copy)
@@ -72,6 +72,7 @@
 
     WCHAR buffer[MAX_PATH+32], *str;
     int len;
+    DWORD needed;
 
     switch(dirid)
     {
@@ -124,8 +125,14 @@
         return get_csidl_dir(CSIDL_PROFILE);
     case DIRID_LOADER:
         return C_Root;  /* FIXME */
+    case DIRID_PRINTPROCESSOR:
+        if (!GetPrintProcessorDirectoryW(NULL, NULL, 1, (LPBYTE)buffer, sizeof(buffer), &needed))
+        {
+            WARN( "cannot retrieve print processor directory\n" );
+            return get_unknown_dirid();
+        }
+        break;
     case DIRID_COLOR:  /* FIXME */
-    case DIRID_PRINTPROCESSOR:  /* FIXME */
     default:
         FIXME( "unknown dirid %d\n", dirid );
         return get_unknown_dirid();
@@ -270,4 +277,4 @@
     if (!(str = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
     memcpy( str, dir, len );
     return store_user_dirid( hinf, id, str );
-}
+}
\ No newline at end of file