Hi,

While running my application, i am getting below exception:-

Server Error in '/' Application.
Could not load file or assembly 'Iesi.Collections' or one of its dependencies. Access is denied.
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.IO.FileLoadException: Could not load file or assembly 'Iesi.Collections' or one of its dependencies. Access is denied.

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.

Assembly Load Trace: The following information can be helpful to determine why the assembly 'Iesi.Collections' could not be loaded.

=== Pre-bind state information ===
LOG: User = xicom-158\xicom
LOG: DisplayName = Iesi.Collections
(Partial)
WRN: Partial binding information was supplied for an assembly:
WRN: Assembly Name: Iesi.Collections | Domain ID: 19
WRN: A partial bind occurs when only part of the assembly display name is provided.
WRN: This might result in the binder loading an incorrect assembly.
WRN: It is recommended to provide a fully specified textual identity for the assembly,
WRN: that consists of the simple name, version, culture, and public key token.
WRN: See whitepaper http://go.microsoft.com/fwlink/?LinkId=109270 for more information and common solutions to this issue.
LOG: Appbase = file:///D:/Dotnet Projects/fsp-client/src/FieldService.Web/
LOG: Initial PrivatePath = D:\Dotnet Projects\fsp-client\src\FieldService.Web\bin
Calling assembly : (Unknown).
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: D:\Dotnet Projects\fsp-client\src\FieldService.Web\web.config
LOG: Using host configuration file:
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework\v4.0.30319\conf ig\machine.config.
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/root/da1a73b3/4b23a5d2/Iesi.Collections.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/root/da1a73b3/4b23a5d2/Iesi.Collections/Iesi.Collections.DLL.
LOG: Attempting download of new URL file:///D:/Dotnet Projects/fsp-client/src/FieldService.Web/bin/Iesi.Collections.DLL.
ERR: A fatal error occurred when retrieving next codebase for download (hr = 0x80070005).


Stack Trace:

[FileLoadException: Could not load file or assembly 'Iesi.Collections' or one of its dependencies. Access is denied.]
System.Reflection.RuntimeAssembly._nLoad(AssemblyN ame fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.nLoad(AssemblyNa me fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +39
System.Reflection.RuntimeAssembly.InternalLoadAsse mblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks) +132
System.Reflection.RuntimeAssembly.InternalLoad(Str ing assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +144
System.Reflection.Assembly.Load(String assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAs semblyHelper(String assemblyName, Boolean starDirective) +46

[ConfigurationErrorsException: Could not load file or assembly 'Iesi.Collections' or one of its dependencies. Access is denied.]
System.Web.Configuration.CompilationSection.LoadAs semblyHelper(String assemblyName, Boolean starDirective) +618
System.Web.Configuration.CompilationSection.LoadAl lAssembliesFromAppDomainBinDirectory() +209
System.Web.Configuration.CompilationSection.LoadAs sembly(AssemblyInfo ai) +130
System.Web.Compilation.BuildManager.GetReferencedA ssemblies(CompilationSection compConfig) +178
System.Web.Compilation.BuildManager.GetPreStartIni tMethodsFromReferencedAssemblies() +94
System.Web.Compilation.BuildManager.CallPreStartIn itMethods() +332
System.Web.Hosting.HostingEnvironment.Initialize(A pplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +677

[HttpException (0x80004005): Could not load file or assembly 'Iesi.Collections' or one of its dependencies. Access is denied.]
System.Web.HttpRuntime.FirstRequestInit(HttpContex t context) +9090044
System.Web.HttpRuntime.EnsureFirstRequestInit(Http Context context) +97
System.Web.HttpRuntime.ProcessRequestInternal(Http WorkerRequest wr) +258


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272





Can anyone please tell me, whats the problem?