diff --git a/7zip/MyVersion.h b/7zip/MyVersion.h
index 47142ea1..ed14a2fb 100755
--- a/7zip/MyVersion.h
+++ b/7zip/MyVersion.h
@@ -1,7 +1,7 @@
 #define MY_VER_MAJOR 4
-#define MY_VER_MINOR 28
-#define MY_VERSION "4.28 beta"
-#define MY_7ZIP_VERSION "7-Zip 4.28 beta"
-#define MY_DATE "2005-09-27"
+#define MY_VER_MINOR 29
+#define MY_VERSION "4.29 beta"
+#define MY_7ZIP_VERSION "7-Zip 4.29 beta"
+#define MY_DATE "2005-09-28"
 #define MY_COPYRIGHT "Copyright (c) 1999-2005 Igor Pavlov"
 #define MY_VERSION_COPYRIGHT_DATE MY_VERSION "  " MY_COPYRIGHT "  " MY_DATE
diff --git a/Common/String.cpp b/Common/String.cpp
index a3d5bed1..7921fe41 100755
--- a/Common/String.cpp
+++ b/Common/String.cpp
@@ -23,8 +23,11 @@ wchar_t MyCharUpper(wchar_t c)
   if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
     return (wchar_t)(unsigned int)res;
   const int kBufferSize = 4;
-  char s[kBufferSize];
+  char s[kBufferSize + 1];
   int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0);
+  if (numChars == 0 || numChars > kBufferSize)
+    return c;
+  s[numChars] = 0;
   ::CharUpperA(s);
   ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1);
   return c;
@@ -38,8 +41,11 @@ wchar_t MyCharLower(wchar_t c)
   if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
     return (wchar_t)(unsigned int)res;
   const int kBufferSize = 4;
-  char s[kBufferSize];
+  char s[kBufferSize + 1];
   int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0);
+  if (numChars == 0 || numChars > kBufferSize)
+    return c;
+  s[numChars] = 0;
   ::CharLowerA(s);
   ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1);
   return c;
diff --git a/DOC/7zip.nsi b/DOC/7zip.nsi
index 35264690..7ba39abb 100755
--- a/DOC/7zip.nsi
+++ b/DOC/7zip.nsi
@@ -2,7 +2,7 @@
 ;Defines
 
 !define VERSION_MAJOR 4
-!define VERSION_MINOR 28
+!define VERSION_MINOR 29
 !define VERSION_POSTFIX_FULL " beta"
 !ifdef WIN64
 !ifdef IA64