diff -rupN wrapper_3.5.25_src/src/c/logger.c wrapper_3.5.25_src_patched/src/c/logger.c
--- wrapper_3.5.25_src/src/c/logger.c   2014-06-13 06:32:21.000000000 +0200
+++ wrapper_3.5.25_src_patched/src/c/logger.c   2014-09-11 15:21:51.616818788 +0200
@@ -2366,10 +2366,10 @@ int getLastError() {
     return GetLastError();
 }
 #else
+TCHAR* lastErrBuf = NULL;
 TCHAR* getLastErrorText() {
 #ifdef UNICODE
     char* c;
-    TCHAR* t;
     size_t req;
     c = strerror(errno);
     req = mbstowcs(NULL, c, MBSTOWCS_QUERY_LENGTH);
@@ -2377,14 +2377,15 @@ TCHAR* getLastErrorText() {
         invalidMultiByteSequence(TEXT("GLET"), 1);
         return NULL;
     }
-    t = malloc(sizeof(TCHAR) * (req + 1));
-    if (!t) {
+    if(lastErrBuf) free(lastErrBuf);
+    lastErrBuf = malloc(sizeof(TCHAR) * (req + 1));
+    if (!lastErrBuf) {
         _tprintf(TEXT("Out of memory in logging code (%s)\n"), TEXT("GLET1"));
         return NULL;
     }
-    mbstowcs(t, c, req + 1);
-    t[req] = TEXT('\0'); /* Avoid bufferflows caused by badly encoded characters. */
-    return t;
+    mbstowcs(lastErrBuf, c, req + 1);
+    lastErrBuf[req] = TEXT('\0'); /* Avoid bufferflows caused by badly encoded characters. */
+    return lastErrBuf;

 #else
     return strerror(errno);