Compiler initialization failed unexpectedly: Access is denied.

Debugging Error: BC2000: Compiler initialization failed unexpectedly: Access is denied.

Added on 3 Jun 2008

Scenarios:

Scenario Summary:

Attempting to run an ASP.NET Web Application on localhost under Vista x64, the page fails to load and returns Debugging Error: BC2000: Compiler initialization failed unexpectedly: Access is denied.

Scenario Details:

The above error occurred after a clean install of Windows, Visual Studio, etc. While I was able to load the Web application(s) via Visual Studio 2008's debugging process (using it's "temporary server"), I could not access the application directly (through the default port) outside of VS. In other words http://localhost/AppName/default.aspx failed to load, and instead I received the above error.

Added on 3 Jun 2008

Solution Summary:

Permissions Resolution.

Solution Details:

This is a permissions issue.

Grant the Network Service user account Full Control access to the C:\Windows\Temp directory.

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Added on 3 Jun 2008

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