The Web.config file is read-only

[IisWebSiteSequence] [ERROR] [10/17/2007 11:38:22 AM]: Access to the path 'C:\Inetpub\wwwroot\wss\VirtualDirectories\5003\web.config' is denied.

Network service and Network must have ‘write’ permisson.

SharePoint 2010 installation error: "The language of this installation package is not supported by your system"

1. OfficeServer.exe /extract:c:\SP2010

2.In Config.xml 

Add: <Setting Id="AllowWindowsClientInstall" Value="True"/>

This product requires ASP.NET v2.0 to be set to ‘Allow’ in the list of Internet Information Services (IIS) Web Server Extensions

C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727

aspnet_regiis.exe -iru -enable

http://edwin.vriethoff.net/2008/01/29/this-product-requires-aspnet-v20-to-be-set-to-allow-in-the-list-of-internet-information-services-iis-web-server-extensions/