tüm sürümlerinde aynı hatayı alıyorum.yükleme sırasında önemli hata diyor.silip baştan yüklemeyi denedim olmadı.offline installer yükledim oda olmadı. Hata Log: quote:OS Version = 6.1.7601, SP = 1.0, Platform 2, Service Pack 1 OS Description = Windows 7 - x86 Ultimate Edition Service Pack 1 MSI = 5.0.7601.17807 Windows version = x86_windowsfoundation_31bf3856ad364e35_6.1.7601.17514_none_0541445eeedbd616.manifest Windows servicing = 6.1.7601.17592 CommandLine = D:\417418201997aca9f741\\Setup.exe /x86 /x64 /redist TimeZone = Tonga Gündüz Saati Initial LCID = 1055 Using Simultaneous Download and Install mechanism Operation: Installing Package Name = Microsoft .NET Framework 4.5.1 Setup Package Version = 4.5.50938 User Experience Data Collection Policy: Disabled Number of applicable items: 10 Exe (D:\417418201997aca9f741\SetupUtility.exe) succeeded. Exe Log File: dd_SetupUtility.txt ServiceControl operation succeeded! Exe (D:\417418201997aca9f741\SetupUtility.exe) succeeded. Exe Log File: dd_SetupUtility.txt MSI (D:\417418201997aca9f741\netfx_Full_GDR_x86.msi) Installation failed. Msi Log: Microsoft .NET Framework 4.5.1 Setup_20160717_204411668-MSI_netfx_Full_GDR_x86.msi.txt Final Result: Installation failed with error code: (0x80070643), "Yükleme sırasında önemli hata. " (Elapsed time: 0 00:00:39).