Index: /trunk/src/VBox/Main/src-server/SystemPropertiesImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/SystemPropertiesImpl.cpp	(revision 50454)
+++ /trunk/src/VBox/Main/src-server/SystemPropertiesImpl.cpp	(revision 50455)
@@ -635,5 +635,5 @@
     }
     else
-        LogRel(("Cannot set passed logging level=%ls, or the default one - Error=%Rhrc \n", Bstr(aLoggingLevel).raw(), rc));
+        LogRel(("Cannot set passed logging level=%s, or the default one - Error=%Rhrc \n", aLoggingLevel.c_str(), rc));
 
     return rc;
@@ -1259,5 +1259,5 @@
         vrc = RTPathUserHome(strTemp, sizeof(strTemp));
         AssertRC(vrc);
-        Utf8Str strSrc3 = Utf8StrFmt("%s/VBoxGuestAdditions_%ls.iso", strTemp, Bstr(VirtualBox::i_getVersionNormalized()).raw());
+        Utf8Str strSrc3 = Utf8StrFmt("%s/VBoxGuestAdditions_%s.iso", strTemp, VirtualBox::i_getVersionNormalized().c_str());
 
         /* Check the standard image locations */