--- orig/wxWidgets-3.0.2/src/common/filefn.cpp	2014-10-06 16:33:44.000000000 -0500
+++ wxWidgets-3.0.2/src/common/filefn.cpp	2015-12-21 16:54:57.998187800 -0600
@@ -1161,7 +1161,8 @@
 bool
 wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
 {
-    if ( !overwrite && wxFileExists(file2) )
+    bool exists = wxFileExists(file2);
+    if ( !overwrite && exists )
     {
         wxLogSysError
         (
@@ -1174,8 +1175,21 @@
 
 #if !defined(__WXWINCE__)
     // Normal system call
-  if ( wxRename (file1, file2) == 0 )
-    return true;
+    //
+    // For explanation, see:  (warning...based mostly on observed behavior)
+    //   http://bugzilla.audacityteam.org/show_bug.cgi?id=1266
+    //   https://github.com/audacity/audacity/pull/94
+  unsigned long doserrno = 0;
+  for (int i = 0; i < 2000; i++)
+  {
+    if ( wxRename (file1, file2) == 0 )
+	  return true;
+    unsigned long doserrno;
+    _get_doserrno(&doserrno);
+    if (doserrno != ERROR_ACCESS_DENIED && (doserrno != ERROR_ALREADY_EXISTS || exists))
+        break;
+    wxMilliSleep(1);
+  }
 #endif
 
   // Try to copy