Modify the properties of an existing document ::Nonexistent file or folder, or refer to a valid file



Hi All,
i am trying to modify the properties of an existing document.
then i am getting the below error message:
The URL 'March/Cyb_Prepayment of
Tuition_MLTIDTPE_1809298_3-20-2008.txt' is invalid. It may refer to
a
nonexistent file or folder, or refer to a valid file or folder that
is
not in the current Web.

To resolve this error i have done so much of R & D but no luck so
can
any body help me please.


while doing R & D i got this URL but still i am unable to resolve
the
issue: please have a look
URL :: http://support.microsoft.com/kb/894631


when i am hitting with http://ServerName/ url i got below Error
message
[above i have specified only servername, No port number ]


Required permissions cannot be acquired.
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.Security.Policy.PolicyException: Required
permissions cannot be acquired.


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:


[PolicyException: Required permissions cannot be acquired.]
System.Security.SecurityManager.ResolvePolicy(Evidence evidence,
PermissionSet reqdPset, PermissionSet optPset, PermissionSet
denyPset,
PermissionSet& denied, Boolean checkExecutionPermission) +2770052
System.Security.SecurityManager.ResolvePolicy(Evidence evidence,
PermissionSet reqdPset, PermissionSet optPset, PermissionSet
denyPset,
PermissionSet& denied, Int32& securitySpecialFlags, Boolean
checkExecutionPermission) +57


[FileLoadException: Could not load file or assembly
'Microsoft.Practices.EnterpriseLibrary.Caching.Configuration.Design,
Version=3.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or
one of its dependencies. Failed to grant minimum permission requests.
(Exception from HRESULT: 0x80131417)]
System.Reflection.Assembly._nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, Assembly locationHint,
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean
forIntrospection) +0
System.Reflection.Assembly.nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, Assembly locationHint,
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean
forIntrospection) +54
System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef,
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean
forIntrospection) +211
System.Reflection.Assembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean
forIntrospection) +141
System.Reflection.Assembly.Load(String assemblyString) +25


System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +32


[ConfigurationErrorsException: Could not load file or assembly
'Microsoft.Practices.EnterpriseLibrary.Caching.Configuration.Design,
Version=3.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or
one of its dependencies. Failed to grant minimum permission requests.
(Exception from HRESULT: 0x80131417)]


System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +596


System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainB­
inDirectory()
+211


System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo
ai) +46


System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSect­
ion
compConfig) +177
System.Web.Compilation.BuildProvidersCompiler..ctor(VirtualPath
configPath, Boolean supportLocalization, String outputAssemblyName)
+185


System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(Virtu­
alPath
virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet
excludedSubdirectories, Boolean isDirectoryAllowed) +350


System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath
virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet
excludedSubdirectories) +125
System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled()
+378


[HttpException (0x80004005): Could not load file or assembly
'Microsoft.Practices.EnterpriseLibrary.Caching.Configuration.Design,
Version=3.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or
one of its dependencies. Failed to grant minimum permission requests.
(Exception from HRESULT: 0x80131417)]


System.Web.Compilation.BuildManager.ReportTopLevelCompilationException()
+57
System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled()
+612

System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager, IApplicationHost appHost, IConfigMapPathFactory
configMapPathFactory, HostingEnvironmentParameters hostingParameters)
+644


[HttpException (0x80004005): Could not load file or assembly
'Microsoft.Practices.EnterpriseLibrary.Caching.Configuration.Design,
Version=3.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or
one of its dependencies. Failed to grant minimum permission requests.
(Exception from HRESULT: 0x80131417)]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context)
+3465427
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context)
+69
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest
wr)
+279


---------------------------------------------------------------------------­-----
Version Information: Microsoft .NET Framework Version:2.0.50727.1433;
ASP.NET Version:2.0.50727.1433


regards,
Rs.
.



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