Error message when you try to install SQL Server 2008 if the path of the SQL Server 2008 installation media contains a number sign (#) character: "Could not load file or assembly '<Path>\Microsoft.SQL.Chainer.PackageData.dll' or one of its dependencies"

Could not load file or assembly 'Path\Microsoft.SQL.Chainer.PackageData.dll' or one of its dependencies. The system cannot find the file specified.

Date Time Slp: Log provider 'Microsoft.SqlServer.Chainer.Infrastructure.LogProviderFile' has been registered
Date Time Slp: Log provider 'Microsoft.SqlServer.Chainer.Infrastructure.LogProviderStatus' has been registered
Date Time Slp: Received request to add the following file to Watson reporting: C:\Documents and Settings\Administrator\Local Settings\Temp\tmpDC5.tmp
Date Time Slp: The following is an exception stack listing the exceptions in outermost to innermost order
Date Time Slp: Inner exceptions are being indented
Date Time Slp:
Date Time Slp: Exception type: Microsoft.SqlServer.Chainer.Infrastructure.ChainerInfrastructureException
Date Time Slp: Message:
Date Time Slp: Could not load file or assembly '<Path>\Microsoft.SQL.Chainer.PackageData.dll' or one of its dependencies. The system cannot find the file specified.
Date Time Slp: Stack:
Date Time Slp: at Microsoft.SqlServer.Chainer.Infrastructure.ExtensionService.RegisterExtension(String extensionId, String name, String path)
Date Time Slp: at Microsoft.SqlServer.Chainer.Setup.Setup.LoadPackageXML(ServiceContainer context)
Date Time Slp: at Microsoft.SqlServer.Chainer.Setup.Setup.Run()
Date Time Slp: at Microsoft.SqlServer.Chainer.Setup.Setup.Start()
Date Time Slp: at Microsoft.SqlServer.Chainer.Setup.Setup.Main()
Date Time Slp: Inner exception type: System.IO.FileNotFoundException
Date Time Slp: Message:
Date Time Slp: Could not load file or assembly <Path>\Microsoft.SQL.Chainer.PackageData.dll' or one of its dependencies. The system cannot find the file specified.
Date Time Slp: Stack:
Date Time Slp: at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)
Date Time Slp: at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)
Date Time Slp: at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
Date Time Slp: at System.Reflection.Assembly.InternalLoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm, Boolean forIntrospection, StackCrawlMark& stackMark)
Date Time Slp: at System.Reflection.Assembly.LoadFrom(String assemblyFile)
Date Time Slp: at Microsoft.SqlServer.Chainer.Infrastructure.ExtensionService.RegisterExtension(String extensionId, String name, String path)
Date Time Slp: The following exception occurred while preparing status logs during Watson failure processing: /Datastore/InputSettings
Date Time Slp: Sco: Attempting to write hklm registry key SOFTWARE\Microsoft\Microsoft SQL Server to file C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\DateTime\Registry_SOFTWARE_Microsoft_Microsoft SQL Server.reg_
Date Time Slp: Sco: Unable to write hklm registry key SOFTWARE\Microsoft\Microsoft SQL Server to file C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\DateTime\Registry_SOFTWARE_Microsoft_Microsoft SQL Server.reg_, Win32 error 2
Date Time Slp: Sco: Attempting to write hklm registry key SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall to file C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\DateTime\Registry_SOFTWARE_Microsoft_Windows_CurrentVersion_Uninstall.reg_
Date Time Slp: Sco: Attempting to write hklm registry key SOFTWARE\Microsoft\MSSQLServer to file C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\DateTime\Registry_SOFTWARE_Microsoft_MSSQLServer.reg_
Date Time Slp: Sco: Unable to write hklm registry key SOFTWARE\Microsoft\MSSQLServer to file C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\DateTime\Registry_SOFTWARE_Microsoft_MSSQLServer.reg_, Win32 error 2
Date Time Slp: Could not load file or assembly '<Path>\Microsoft.SQL.Chainer.PackageData.dll' or one of its dependencies. The system cannot find the file specified.
Date Time Slp: Watson bucket for exception based failure has been created
Date Time Slp: Sco: Attempting to create base registry key HKEY_LOCAL_MACHINE, machine
Date Time Slp: Sco: Attempting to open registry subkey Software\Microsoft\PCHealth\ErrorReporting\DW\Installed
Date Time Slp: Sco: Attempting to get registry value DW0200
Date Time Slp: Submitted 1 of 1 failures to the Watson data repository
Date Time Slp:
Date Time Slp: ----------------------------------------------------------------------
Date Time Slp:
Date Time Slp: Error result: -2068774911
Date Time Slp: Result facility code: 1201
Date Time Slp: Result error code: 1