I Keep Having The Same Windows Update on my Computer again and again

I keep having this the same update offer for windows on my computer.. and im installing them again and again.. who knows how to fix this??? Security Update for Microsoft .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 x86 (KB2487367) Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008 x86...