Service pack 6 for Visual Studio 6.0 released
Get SP6 for Visual Studio 6.0 here: http://msdn.microsoft.com/vstudio/downloads/updates/sp/vs6/sp6/default.aspx
List of fixes: http://msdn.microsoft.com/vstudio/downloads/updates/sp/vs6/sp6/default.aspx (only VB6 and VC++ 6.0 have fixes)