.Net Framework installation fatal error (0x80070643)

Hello, recently I have been trying to install Visual Studio Community; this was the first time when I have noticed that the setup has failed due to .Net Framework. I have tried installing the required .Net Framework but that's when everything went wrong and now every time I try to install the .Net Framework, the setup fails with that error and crashes after finishing.

Error Log:

OS Version = 6.1.7601, Platform 2, Service Pack 1
OS Description = Windows 7 - x64 Ultimate Edition Service Pack 1
CommandLine = E:\0c311d917d8b42868e1935ba0c\\Setup.exe /x86 /x64
TimeZone = GMT Daylight Time
Initial LCID = 2057
Using Simultaneous Download and Install mechanism
Operation: Installing
Package Name = Microsoft .NET Framework 4 Setup
Package Version = 4.0.30319
User Experience Data Collection Policy: AlwaysUploaded
Number of applicable items: 11
Exe (E:\0c311d917d8b42868e1935ba0c\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
ServiceControl operation succeeded!
ServiceControl operation succeeded!
Exe (E:\0c311d917d8b42868e1935ba0c\Windows6.1-KB958488-v6001-x64.msu) failed with 0x240006 - (null).
Exe (E:\0c311d917d8b42868e1935ba0c\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt
MSI (E:\0c311d917d8b42868e1935ba0c\netfx_Core_x64.msi) Installation failed. Msi Log: Microsoft .NET Framework 4 Setup_20150727_203002696-MSI_netfx_Core_x64.msi.txt
Final Result: Installation failed with error code: (0x80070643), "Fatal error during installation. " (Elapsed time: 0 00:00:40).

Checked this out yet? https://support.microsoft.com/en-us/kb/976982

GokAy said:

Checked this out yet? https://support.microsoft.com/en-us/kb/976982

Yup, unfortunatelly it did not work. I have tried all three methods but none of them solved the problem.

Anything in "Microsoft .NET Framework 4 Setup_20150727_203002696-MSI_netfx_Core_x64.msi.txt"?

Also run in elevated cmd (just in case):

Code:

sfc /scannow

GokAy said:

Anything in "Microsoft .NET Framework 4 Setup_20150727_203002696-MSI_netfx_Core_x64.msi.txt"?

Also run in elevated cmd (just in case):

Code:

sfc /scannow

Yes, this is what is in the file:

https://drive.google.com/file/d/0Bxw...FoZFhYQVE/view

EDIT: Doing the CMD command right now, will update when it is done.

EDIT2: Yes there are some corrupt files, will try fixing them on reboot.

Is the folder you are installing to encrypted? Does SYSTEM account has Full Control rights to the folder?

See this one, have some steps you could try https://social.msdn.microsoft.com/Fo...rror-code-1603

Try installing this one Download Microsoft .NET Framework 4 Client Profile (Standalone Installer) from Official Microsoft Download Center

For sfc results: run in cmd:

Code:

findstr /c:"[SR]" %windir%\logs\cbs\cbs.log >"%userprofile%\desktop\sfcdetails.txt"

and attach the file here

GokAy said:

Is the folder you are installing to encrypted? Does SYSTEM account has Full Control rights to the folder?

See this one, have some steps you could try https://social.msdn.microsoft.com/Fo...rror-code-1603

Try installing this one Download Microsoft .NET Framework 4 Client Profile (Standalone Installer) from Official Microsoft Download Center

For sfc results: run in cmd:

Code:

findstr /c:"[SR]" %windir%\logs\cbs\cbs.log >"%userprofile%\desktop\sfcdetails.txt"

and attach the file here

I get an error in CMD saying "FINDSTR: Cannot open C:\Windows\Logs\cbs\CBS.txt" and if I try to open the file manually it says that "Access denied", and I cannot open the file.

EDIT: I have attached the sfcdetails.txt file from my desktop.

Some of the corruption seem repaired, 2 files are false corruption warnings (can be disregarded), the rest we will need help with.

I will PM NoelDP for you.

I think the issue was fixed when I have upgraded to Windows 10, as now the programs that were broken before work properly, but posting a fix would be helpful for future reference. Thank you for all of your help guys!