Index: /trunk/src/VBox/Runtime/r3/win/ldrNative-win.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/win/ldrNative-win.cpp	(revision 46696)
+++ /trunk/src/VBox/Runtime/r3/win/ldrNative-win.cpp	(revision 46697)
@@ -64,4 +64,6 @@
         pszFilename = psz;
     }
+
+    AssertMsg(RTPathStartsWithRoot(pszFilename), ("pszFilename='%s'\n", pszFilename));
 
     /*