Problemas WSUS

Buenos días a todos. Despues de todos vuestros consejos he conseguido
solucionar parte del problema con es WSUS. Pero ahora me sale otro error
diferente al intentar iniciarlo. El error es el siguiente:

Server Error in '/WSUSAdmin' Application.

Failed to access IIS metabase.
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information about
the error and where it originated in the code.

Exception Details: System.Web.Hosting.HostingEnvironmentException: Failed to
access IIS metabase.

The process account used to run ASP.NET must have read access to the IIS
metabase (e.g. IIS://servername/W3SVC). For information on modifying metabase
permissions, please see http://support.microsoft.com/?kbid&7904.

Source Error:

An unhandled exception was generated during the execution of the current web
request. Information regarding the origin and location of the exception can
be identified using the exception stack trace below.

Stack Trace:


[HostingEnvironmentException: Failed to access IIS metabase.]
System.Web.Configuration.MetabaseServerConfig.MapPathCaching(String
siteID, VirtualPath path) +3492154

System.Web.Configuration.MetabaseServerConfig.System.Web.Configuration.IConfigMapPath.MapPath(String siteID, VirtualPath vpath) +9
System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath
virtualPath, Boolean permitNull) +163
System.Web.CachedPathData.GetConfigPathData(String configPath) +382
System.Web.CachedPathData.GetConfigPathData(String configPath) +243
System.Web.CachedPathData.GetApplicationPathData() +68
System.Web.CachedPathData.GetVirtualPathData(VirtualPath virtualPath,
Boolean permitPathsOutsideApp) +3385663
System.Web.Configuration.RuntimeConfig.GetLKGRuntimeConfig(VirtualPath
path) +189




Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET
Version:2.0.50727.42