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Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. Failed to complete setup of assembly (hr = 0x8007000b)

I am getting error as Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. An attempt was made to load a program with an incorrect format.
Failed to complete setup of assembly (hr = 0x8007000b). Probing terminated.
Stack Trace:
[BadImageFormatException: Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0 System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +37 System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +159 System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection) +80 System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +22 System.Reflection.Assembly.Load(String assemblyString) +29 System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +39 [ConfigurationErrorsException: Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +777 System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +229 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +140 System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +176 System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies() +99 System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath, Boolean& isRefAssemblyLoaded) +310 System.Web.Compilation.BuildManager.ExecutePreAppStart() +165 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +590 [HttpException (0x80004005): Could not load file or assembly 'Oracle.DataAccess' or one of its dependencies. An attempt was made to load a program with an incorrect format.] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10087352 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +99 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +263
Could you please help me on this.
Did I missed something?

System.BadImageFormatException error

I am using Windows Server 2008 R2 Datacenter 64-bit OS. I am using Visual Studio 2013 that has a solution with 2 projects and I am encountering this error.
Exception Details: System.BadImageFormatException: Could not load file
or assembly 'EyeCantSeeEngine' or one of its dependencies. An attempt
was made to load a program with an incorrect format.
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 'EyeCantSeeEngine' could not be loaded.
=== Pre-bind state information === LOG: DisplayName = EyeCantSeeEngine (Partial) WRN: Partial binding information was supplied for an
assembly: WRN: Assembly Name: EyeCantSeeEngine | Domain ID: 2 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:///C:/Users/Administrator/Documents/ISFC_Main/EyeCantSee/EyeCantSeeEngine/
LOG: Initial PrivatePath =
C:\Users\Administrator\Documents\ISFC_Main\EyeCantSee\EyeCantSeeEngine\bin
Calling assembly : (Unknown).
LOG: This bind starts in default load context. LOG: Using application
configuration file:
C:\Users\Administrator\Documents\ISFC_Main\EyeCantSee\EyeCantSeeEngine\web.config
LOG: Using host configuration file:
C:\Users\uni\Documents\IISExpress\config\aspnet.config LOG: Using
machine configuration file from
C:\Windows\Microsoft.NET\Framework\v4.0.30319\config\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:/Users/uni/AppData/Local/Temp/1/Temporary ASP.NET
Files/root/b917a818/774df716/EyeCantSeeEngine.DLL. LOG: Attempting
download of new URL
file:///C:/Users/uni/AppData/Local/Temp/1/Temporary ASP.NET
Files/root/b917a818/774df716/EyeCantSeeEngine/EyeCantSeeEngine.DLL.
LOG: Attempting download of new URL
file:///C:/Users/Administrator/Documents/ISFC_Main/EyeCantSee/EyeCantSeeEngine/bin/EyeCantSeeEngine.DLL.
ERR: Failed to complete setup of assembly (hr = 0x8007000b). Probing
terminated.
Stack Trace:
[BadImageFormatException: Could not load file or assembly
'EyeCantSeeEngine' or one of its dependencies. An attempt was made to
load a program with an incorrect format.]
System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint,
StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean
throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint,
StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean
throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +34
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName
assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly,
StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean
throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +152
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr
pPrivHostBinder, Boolean forIntrospection) +77
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean
forIntrospection) +16 System.Reflection.Assembly.Load(String
assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +38
[ConfigurationErrorsException: Could not load file or assembly
'EyeCantSeeEngine' or one of its dependencies. An attempt was made to
load a program with an incorrect format.]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +752
System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory()
+218 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo
ai) +130
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection
compConfig) +170
System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies()
+91 System.Web.Compilation.BuildManager.CallPreStartInitMethods(String
preStartInitListPath, Boolean& isRefAssemblyLoaded) +285
System.Web.Compilation.BuildManager.ExecutePreAppStart() +153
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager, IApplicationHost appHost, IConfigMapPathFactory
configMapPathFactory, HostingEnvironmentParameters hostingParameters,
PolicyLevel policyLevel, Exception appDomainCreationException) +521
[HttpException (0x80004005): Could not load file or assembly
'EyeCantSeeEngine' or one of its dependencies. An attempt was made to
load a program with an incorrect format.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9950728
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context)
+101 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr, HttpContext context) +254
I have tried changing the target platform of the project of the error from x64 to x86 and the error that I encounter next is this.
Exception Details: System.OutOfMemoryException: Exception of type
'System.OutOfMemoryException' was thrown.
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:
[OutOfMemoryException: Exception of type 'System.OutOfMemoryException'
was thrown.] System.Reflection.RuntimeAssembly._nLoad(AssemblyName
fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly
locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder,
Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint,
StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean
throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +34
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName
assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly,
StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean
throwOnFileNotFound, Boolean forIntrospection, Boolean
suppressSecurityChecks) +152
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr
pPrivHostBinder, Boolean forIntrospection) +77
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean
forIntrospection) +16 System.Reflection.Assembly.Load(String
assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +38
[ConfigurationErrorsException: Exception of type
'System.OutOfMemoryException' was thrown.]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +752
System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory()
+218 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo
ai) +130
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection
compConfig) +170
System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies()
+91 System.Web.Compilation.BuildManager.CallPreStartInitMethods(String
preStartInitListPath, Boolean& isRefAssemblyLoaded) +285
System.Web.Compilation.BuildManager.ExecutePreAppStart() +153
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager, IApplicationHost appHost, IConfigMapPathFactory
configMapPathFactory, HostingEnvironmentParameters hostingParameters,
PolicyLevel policyLevel, Exception appDomainCreationException) +521
[HttpException (0x80004005): Exception of type
'System.OutOfMemoryException' was thrown.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9950728
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context)
+101 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr, HttpContext context) +254
I have also tried changing the Enable 32-bit Applications in the IIS Application Pools to True but the System.BadImageFormatException error still persist. Greatly appreciated for any suggestions to solve this error.

BadImageFormatException usually means architecture conflits.. Like trying to install a 32 bit assembly with a x64 install util for example.
Also in the pre-bind state information you can read this line:
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.
Which might indicate that you are not using a fully qualified name to load an assembly but just the type. Try specifying the fully qualified name of the assembly you are trying to load.

Could not load file or assembly 'Telerik.Reporting' on IIS without any references in the project to it

I have a web site on IIS. There are a lot of virtual folders with separates sites on it.
I`ve updated one of them and got "Could not load file or assembly 'Telerik.Reporting, Version=6.2.13.110, Culture=neutral, PublicKeyToken=a9d7983dfcc261be' or one of its dependencies. The system cannot find the file specified."
The same errors on the other virtual folder`s sites.
Stack Trace.`[FileNotFoundException: Could not load file or assembly 'Telerik.Reporting, Version=6.2.13.110, Culture=neutral, PublicKeyToken=a9d7983dfcc261be' or one of its dependencies. The system cannot find the file specified.]
System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +210
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection) +242
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +17
System.Reflection.Assembly.Load(String assemblyString) +35
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +122
[ConfigurationErrorsException: Could not load file or assembly 'Telerik.Reporting, Version=6.2.13.110, Culture=neutral, PublicKeyToken=a9d7983dfcc261be' or one of its dependencies. The system cannot find the file specified.]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +12761078
System.Web.Configuration.AssemblyInfo.get_AssemblyInternal() +214
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +334
System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath) +203
System.Web.Compilation.BuildManager.ExecutePreAppStart() +152
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +1151
[HttpException (0x80004005): Could not load file or assembly 'Telerik.Reporting, Version=6.2.13.110, Culture=neutral, PublicKeyToken=a9d7983dfcc261be' or one of its dependencies. The system cannot find the file specified.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12881540
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12722601`
But in this project I don`t use Telerik at all. I created new site on IIS, deploy this project and one work well. But in the main one I still get the error.
What should I do to remove this issue from site with virtual folders? I have to deploy this project to it. I can`t delete it and create new one.
Any suggestions? Restart doesn`t help.

There could be other Web.configs that reference the telerik assembly. You would need to check all of them

Getting error "A procedure imported by xxxxxxxx.dll cannot be loaded

I am getting "A procedure imported by xxxxxxx.dll cannot be loaded, while I am trying to run my .net application from browser. Below is what I am getting:
[FileLoadException: A procedure imported by 'xxxxxxx.DLL' could not be loaded.]
System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +39
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks) +132
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +144
System.Reflection.Assembly.Load(String assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +46
[ConfigurationErrorsException: A procedure imported by 'xxxxxxxxx.DLL' could not be loaded.]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +618
System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +209
System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo ai) +130
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +178
System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies() +94
System.Web.Compilation.BuildManager.CallPreStartInitMethods() +332
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +677
[HttpException (0x80004005): A procedure imported by 'xxxxxxxx.DLL' could not be loaded.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9088636
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +97
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +258
Is there is any way to find out which procedure it is not able to load or any other way to solve the issue. I tried Fusion logs and there seems to be no issue in Fusion logs.
Thank for help.

System.BadImageFormatException - Invalid Token when updating DLL to newest version?

I've had this project running for a couple of months using a couple of company-specific DLL's. I just downloaded and updated to the newest version and I am now receiving this error. I don't believe it is specific to the DLLs themselves, more something in my project not expecting new versions. The stack trace isn't very helpful.
Server Error in '/dashbad' Application.
Invalid token.
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.BadImageFormatException: Invalid token.
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:
[BadImageFormatException: Invalid token.]
System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint,
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean
forIntrospection, Boolean suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String
codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint,
StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean
forIntrospection, Boolean suppressSecurityChecks) +39
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName
assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark,
Boolean forIntrospection, Boolean suppressSecurityChecks) +132
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString,
Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean
forIntrospection) +144 System.Reflection.Assembly.Load(String
assemblyString) +28
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +46
[ConfigurationErrorsException: Invalid token.]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String
assemblyName, Boolean starDirective) +618
System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory()
+209 System.Web.Configuration.CompilationSection.LoadAssembly(AssemblyInfo
ai) +130
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection
compConfig) +178
System.Web.Compilation.BuildManager.GetPreStartInitMethodsFromReferencedAssemblies()
+94 System.Web.Compilation.BuildManager.CallPreStartInitMethods() +332 System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager
appManager, IApplicationHost appHost, IConfigMapPathFactory
configMapPathFactory, HostingEnvironmentParameters hostingParameters,
PolicyLevel policyLevel, Exception appDomainCreationException) +591
[HttpException (0x80004005): Invalid token.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +8950644
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +97
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
wr, HttpContext context) +256
Version Information: Microsoft .NET Framework Version:4.0.30319;
ASP.NET Version:4.0.30319.1
Has anyone encountered this error in a similar setting / any debugging advice?

This could be a 32bit / 64bit issue. You could try targeting a particular platform with your compiles and see if this fixes your issues.