I can't install .net framework 4.6

so I'm trying to install Visual Studio but I can't install  .net framework 4.6. I have tried clean up and still didn't work.

here is the log 

OS Version = 6.1.7601, SP = 1.0, Platform 2, Service Pack 1
OS Description = Win7 - x64 Ultimate Edition Service Pack 1
MSI = 5.0.7601.18896
Windows version = amd64_windowsfoundation_31bf3856ad364e35_6.1.7601.17514_none_615fdfe2a739474c.manifest
Windows servicing = 6.1.7601.17592
CommandLine = L:\85f283640d2bc48fa7f19ee78afe\\Setup.exe /x86 /x64 /redist
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4.6 Setup
Package Version = 4.6.00081
User Experience Data Collection Policy: Disabled
Number of applicable items: 9
Exe (L:\85f283640d2bc48fa7f19ee78afe\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
ServiceControl operation succeeded!
ServiceControl operation succeeded!
Exe (L:\85f283640d2bc48fa7f19ee78afe\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
MSI (L:\85f283640d2bc48fa7f19ee78afe\netfx_Full_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4.6 Setup_20150808_230244893-MSI_netfx_Full_x64.msi.txt
Exe (L:\85f283640d2bc48fa7f19ee78afe\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
MSI (L:\85f283640d2bc48fa7f19ee78afe\netfx_Full_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4.6 Setup_20150808_230244893-MSI_netfx_Full_x64.msi.txt
Final Result: Installation failed with error code: (0x80070643), "Fatal error during installation. " (Elapsed time: 0 00:04:11).