Index: base/applications/mplay32/mplay32.c
===================================================================
--- base/applications/mplay32/mplay32.c	(revision 66541)
+++ base/applications/mplay32/mplay32.c	(working copy)
@@ -468,7 +468,7 @@
     MaxFilePos = mciStatus.dwReturn;
     wDeviceId = mciOpen.wDeviceID;
     bIsOpened = TRUE;
-    _tcscpy(szPrevFile, lpFileName);
+    StringCbCopy(szPrevFile, sizeof(szPrevFile), lpFileName);
 
     EnableMenuItems(hwnd);
 
@@ -660,7 +660,7 @@
     }
     else
     {
-        _tcscpy(szLocalFileName, lpFileName);
+        StringCbCopy(szLocalFileName, sizeof(szLocalFileName), lpFileName);
     }
 
     if (GetFileAttributes(szLocalFileName) == INVALID_FILE_ATTRIBUTES)