IIS - Error - PageHandlerFactory-Integrated

If you've ever installed .NET Framework 4.0 (version 4.0.30319) and enabling the Internet Information Services (IIS) Manager, and encounter the following error when trying to visit the web page you are trying to deploy:

Handler "PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler" in its module list.

This error is caused due to a glitch in the installation of .NET Framework 4.0. To fix, simply open the run dialog on your system and run the following commands.

On 32-bit System:

%windir%\Microsoft.NET\Framework\v4.0.30319\SetupCache\Client\setup.exe /repair /x86 /x64 /ia64 /parameterfolder Client /q /norestart

On 64-bit System:

%windir%\Microsoft.NET\Framework64\v4.0.30319\SetupCache\Client\setup.exe /repair /x86 /x64 /ia64 /parameterfolder Client /q /norestart

The .NET Framework 4.0 installation will be repaired, and after a few minutes make another attempt to browser your page. The repair will happen silently, in the background, but should not present any conflicting issues.


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