I don't have the logs folder in my Web Platform Installer folder.There is a webpi.preferences file a nothing else.The log file which I am sending is taken from the setup process itself.Where the failure error is thrown there a link is given to view the log file .This is the same one.
DownloadManager Information: 0 : Loading product xml from 'https://go.microsoft.com/fwlink/?LinkId=158722'
DownloadManager Information: 0 : Product manager downloading: https://go.microsoft.com/fwlink/?LinkId=158722
DownloadManager Information: 0 : Loading product xml from 'https://www.microsoft.com/web/webpi/2.0/WebApplicationList.xml'
DownloadManager Information: 0 : Product manager downloading: https://www.microsoft.com/web/webpi/2.0/WebApplicationList.xml
DownloadManager Information: 0 : Filtering by majorOS: 5, minorOS: 1, majorSP: 2, minorSP: 0, productType: 1, architecture: x86
DownloadManager Information: 0 : Filtering by majorOS: 5, minorOS: 1, majorSP: 2, minorSP: 0, productType: 1, architecture: x86
DownloadManager Information: 0 : SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
DownloadManager Error: 0 : Error adding or removing product id 'VWD'. Details: System.InvalidOperationException: SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.CheckForIncompatibilityOrUninstalledExternalProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product, Installer installer)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.PillarControl.HandleProductCheckBoxCheckedChanged(Object sender, EventArgs e)
DownloadManager Information: 0 : SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
DownloadManager Error: 0 : Error adding or removing product id 'VWD'. Details: System.InvalidOperationException: SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.CheckForIncompatibilityOrUninstalledExternalProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product, Installer installer)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.PillarControl.HandleProductCheckBoxCheckedChanged(Object sender, EventArgs e)
DownloadManager Information: 0 : Getting ratings file from http://go.microsoft.com/fwlink/?LinkId=163219
DownloadManager Error: 0 : Error loading rating files: System.Xml.XmlException: '--' is an unexpected token. The expected token is '>'. Line 81, position 5.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.DtdParserProxy.System.Xml.IDtdParserAdapter.Throw(Exception e)
at System.Xml.DtdParser.Throw(Int32 curPos, String res, String[] args)
at System.Xml.DtdParser.ThrowUnexpectedToken(Int32 pos, String expectedToken1, String expectedToken2)
at System.Xml.DtdParser.ScanClosingTag()
at System.Xml.DtdParser.GetToken(Boolean needWhiteSpace)
at System.Xml.DtdParser.ParseEntityDecl()
at System.Xml.DtdParser.ParseSubset()
at System.Xml.DtdParser.ParseExternalSubset()
at System.Xml.DtdParser.ParseInDocumentDtd(Boolean saveInternalSubset)
at System.Xml.DtdParser.Parse(Boolean saveInternalSubset)
at System.Xml.XmlTextReaderImpl.DtdParserProxy.Parse(Boolean saveInternalSubset)
at System.Xml.XmlTextReaderImpl.ParseDoctypeDecl()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
at System.Xml.XmlDocument.Load(XmlReader reader)
at System.Xml.XmlDocument.Load(String filename)
at Microsoft.Web.PlatformInstaller.ProductServiceImpl.GetAppRatings()
DownloadManager Information: 0 : SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
DownloadManager Error: 0 : Error adding or removing product id 'VWD'. Details: System.InvalidOperationException: SQL Server Express 2008 with Service Pack 1 is incompatible with Microsoft SQL Server Express 2005. Visual Web Developer 2008 Express with SP1 requires SQL Server Express 2008 with Service Pack 1.
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.CheckForIncompatibilityOrUninstalledExternalProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product, Installer installer)
at Microsoft.Web.PlatformInstaller.UI.CartServiceImpl.AddProduct(Product product)
at Microsoft.Web.PlatformInstaller.UI.PillarControl.HandleProductCheckBoxCheckedChanged(Object sender, EventArgs e)
Hope you will help me out and thanks for your help.