PROBLEM DESCRIPTION: Unable to install .NET Framework 4.0.

SYMTOMPS: Installation of .Net framework 4.0 fails just after the extraction process finishes.

Entry in the Log files:


Logging all the global blocks

Installation Blockers:

1. You cannot use this setup program to install the .NET Framework. For more information, see the Readme file.

[1/20/2012, 14:15:44] Global Block Checks: StopBlockers evaluated to true.

[1/20/2012, 14:15:44]Final Result: Installation failed with error code: (0x000013EC), "A StopBlock was hit or a System Requirement was not met." (Elapsed time: 0 00:00:20).


CAUSE:  The above error message is mostly due to the corruption of the source file.


1) Download standalone installer for .Net Framework 4.0 from the official Microsoft website

2) If it fails again then try to extract the standalone installer with the help of command:

“dotNetFx40_Full_x86_x64.exe /x”

Install it through command line:

“Setup.exe /x86 /x64”


Content By : Keshav Jain