"System.IO.FileNotFoundException: Could Not Load File Or Assembly" When The Assembly Does In Fact Exist?
Oct 8, 2009
One of them is giving us trouble in only 1 spot out of the 4 spots we use it at:The trouble spot is a windows form project that uses reflection to dynamically load some DLLs that run long running processes. One of these long running processes is an agent that relies on one of our vender DLLsWe're getting the missing assembly exception at the point where we first enter a function that references the library. I already checked the silly things such as if we had forgotten to move a reference from the old version to the new version, but that's not the case. I also checked the bin directory of the project and the assembly is there.
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May 17, 2011
I have a WPF application that has 3 projects in the solution. I have the main menu, which is the actual EXE, a reporting DLL and the application files DLL which both are a WPF Class Library. I'm getting the System.IO error when I'm trying to use a 3rd party reporting tool from in the application files DLL. I have the 3rd party DLLs referenced and are set to copy local in my application DLL. Everything works fine if i reference the 3rd party reporting tool in the EXE project but I don't want to do that. I want my DLL to be stand alone so someone else can reference my DLL without having to add anything but my DLL.
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Jul 23, 2009
I created a SQL application that synchronises with a SQLCE database when loaded. Works fine on my Dev machine but produces the following error on user machines:
System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.Synchronization.Data, Version=1.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91' or one of its dependencies. The system cannot find the file specified.
File name: 'Microsoft.Synchronization.Data, Version=1.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91'
In my attempts to fix, I have:
1) Reinstalled SQL Compact Editon 3.5 on the client machines
2) Reinstalled .NET Framework 3.5
3) Installed Microsoft Sync Framework 1.0 (which puts the 'missing' DLL onto the machines).
This still fails with the same error.
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Feb 15, 2010
I have finished coding an application which I designed for people working in my office. When I started to install the application to computers at the office, I realized that, in some machines, application doesn�t work properly. Although it worked for 15 computers perfectly, for 3 computers following error code is displayed:
System.IO.FileNotFoundException: Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified.
[code]....
WRN: Assembly binding logging is turned OFF.To enable assembly bind failure logging, set the registry value [HKLMSoftwareMicrosoftFusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.To turn this feature off, remove the registry value [HKLMSoftwareMicrosoftFusion!EnableLog].
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Jun 17, 2009
I receive this error as "Assembly Load Error" whenever adding a form or other object that has to be inherited.
"Unable to load assembly. Ensure that the file is a valid .net Framwork assembly"
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Nov 17, 2009
I release an application and one of the end-users is telling me that they get this message:
See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.IO.FileNotFoundException: Could not load file or assembly 'System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. Das System kann die angegebene Datei nicht finden.
[Code]....
The way that reads to me, there is a problem with their .net framework? Am I correct, or is there a problem with my code? I can't reproduce the problem, and many other people use the application with no problems.
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May 31, 2009
When ever I finish simple programs no matter what it is and i click to debug it it comes up"Error while trying to run project:could not load file or assembly"project name" or one of its dependencies.the module was expected to contain an assembly manifest"
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Jan 15, 2007
Our company has an app that load their components by System.Reflection.Load (By the way, an awesome technique )But, we start to monitorate the application and detect a extrange grow up of memory (actually when our application still all day on air, their allocate memory on task manager is 200 MB plus memory) And all of our components (60 plus DLLs) is load by this technique.My doubt is how to deallocate this assemblies or how the best way to deallocate any assemblies loaded by the System.Reflection.Assemblie.Load method?
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Jun 22, 2010
I have a simple application, that was working just fine then all of the sudden I open the file and the design pages will not show up and I get the following warnings:
Warning 1 Could not load type 'System.Object' from assembly 'mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' because the parent does not exist. G:ProgramsCONNS v 1.0ConnectionsFrontPage.Designer.vb 149 0
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Jul 6, 2010
This is my Errormessage:
Could not load file or assembly 'file:///C:Windowssystem32Rule.dll'. The system cannot find the file specified.
The problem is that the same exe works in my development environment but not on productive server. The program is a tool that should run as a Scheduled Task on Windows Server 2008. It consists of an exe, one so called Database.dll and the Rule.dll. The exe should load the Rule.dll dynamically in codebehind but it fails with the above error only when started from Task Scheduler. Why is it looking in System32 folder and not in the Application folder? Is it an UAC-issue?
'Load the rule engine into memory
Dim asmRule As System.Reflection.Assembly = Nothing
Try
[Code]....
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Apr 17, 2009
I am getting the following error message below and don't know why. I've even rebooted my machine and it still won't work.
[QUOTE* Exception Text **************
System.TypeInitializationException: The type initializer for 'EBOLVendorReports.modIO' threw an exception. ---> System.BadImageFormatException: Could not load file or assembly
[code].....
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May 20, 2012
if I want to open my vs2008 project, I get the error "Could not load file or assembly 'Microsoft Build Engine, Version=3.5.0.0, Culture=neutral, .... or one of its dependencies. The system can't find the specified file." Yesterday it has no problem and today I get this message. I have uninstalled nothing, I have net framework 3.5 and in the meantime 4.0 too, I use win 7 x64. I tried to repair the install of vs2008 with the dvd, no succes. what I should do to get this to work again? I don't want to reinstall win 7 (inkl. format the system drive).
EDIT: I checked the system with the net verify tool, and it comes out, that some dll-s in the assembly directory are missing. Now, I clean up all net framework on the system, then I will install the net framework 3.5 sp1 and let's see, whether it works or not.
EDIT 2: I even can't install the net framework 3.5 sp1. I downloaded the full pack from microsoft and if I click on it, nothing happens. Why?
EDIT 3: after reinstalling all vs2008 components and after running the net removal tool again, I wanted to install vs2008 back. And the install says: the net framework 3.5 (x64) is installed. I know, win 7 contains it. Then how the hell can I uninstall and reinstall the net framework 3.5??
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Jun 5, 2012
Usually, when I create an application, all I need to do is copy the .exe file from the "inDebug" folder to run onto other machines.
But this time, I've got a 3rd party control. So, copying the .exe isn't good enough. I get a message as soon as the application loads "Could not load file or assembly ..."
I have added a "Setup and Deployment" to the project, but that still doesn't seem to include all of the files to the 3rd party control.
Because after successfully installing this application, the same error message is displayed "Could not load file or assembly ..."
how I can get this application to run on another machine without installing this 3rd party control first?
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Jul 4, 2010
I created a setup file for my project, and i keep getting a can not load file or assembly error.There are no erros in my build or project.I can test this, and it works fine on my localbox wile in my vs.net project.When i create a setup file, and test it on another machine, i get this error below.
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May 26, 2009
I have a web application in .Net in which I use Ajax controls in some pages. Those pages are working in localhost, but when hosted, the pages in which Ajax included shows following error.
Server Error in '/Allforkids' Application.
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
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.
[Code].....
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Jun 3, 2009
I have developed one class library using .net 3.5 framework and i am using this in another project developed in .Net 2.0 framework, in this case i m getting the following error. Could not load file or assembly 'AssemblyName, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
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Oct 3, 2011
I am facing this problem when running my application on 64 bit os .While it is working good on 32 bit OS which is my development environment also. I do not know how to get rid of it. Target CPU is set as Any CPU (there are no other option coming there).
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Feb 15, 2012
I recently added hsProgressbar.dll to my Program, it worked fine, but then I decided to remove it from my Computer and also remove it from the references...however..the Warning is still there? How can I completely remove it, so that I don't get the error anymore?
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Aug 15, 2005
I have two projects in a solution. One is a class library with my FTP, GPG and some other classes that get compiled into a dll call CBI.Utilities. The other is my main app which in a few places call the ftp class. I added the reference to the main solution by browing to the project from references under the main solution and now I get this error when I try to instantiate the ftp class.
"Could not load file or assembly 'CBI.Utilities, Version=1.0.2053.21021, Culture=neutral, PublicKeyToken=78bbe40a91a1660e' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)" Should I be making a reference to the DLL or to the projects. Either way I end up with a reference cbi.utilities.
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May 11, 2012
I am referencing a DLL in my project which works OK on both inside and outside of the IDE on my development machine but when I deploy to another machine, I get an error "Could not load file or assembly...".
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Aug 20, 2010
I've had a vb.net application for quite a while. Today, when I tried to load a form (one of many in the app) in Design mode, I got the error: "Could not load file or assembly 'Interop.MSMAPI, Version=1.1.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified." This form is the only form using msmapi, and the only one that won't load in Design mode.I can edit the form's code, run the application, and deploy the application. But I cannot access this form in Design mode. It's been a few months months since I've opened this form in Design mode, but it worked last time I tried it.
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Jun 4, 2012
I am creating DLL file using c# .For that i need one DLL file. That is created in VB.so i just i add that dll file into my project via add reference option.But when run the projects am getting this error.
Could not load file or assembly 'BOL3, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
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Sep 19, 2011
I am having a strange problem since installing the latest version of ODAC, 11.2.0.2.1. I installed both the 32-bit and 64-bit versions because I develop applications for both architectures. My computer is Win 7 64-bit.
Since installing ODAC and referencing the new 64-bit version of ODP.NET, one of my web application projects in Visual Studio 2010 gives the following warning for all aspx pages and masterpages when I view them in Markup View.
ASP.NET runtime error: 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.
The warning is limited to Markup View. The web application builds and runs fine. I tried cleaning the VS Temporary ASP.NET Files, but that did not fix the issue. I removed all references to Oracle.DataAccess throughout my application, and then readded them to be sure that all the references were correct. The web app is compiled to 'Any CPU' but it uses the 64-bit Oracle.DataAccess. I created a new project, and referenced the same projects and dlls, and I do not get the warning, so it appears to be specific to this project file.
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Jul 4, 2009
im getting an error in my compiled and deployed program that i dont get in the VB IDE that says
The error is: Could not load file or assembly 'AxInterop.zkemkeeper, Version=6.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified. ---> System.IO.FileNotFoundException: Could not load file or assembly 'AxInterop.zkemkeeper, Version=6.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
i have included a reference to the zkemkeeper.dll, and my setup program ships & deploys a few other files that zkemkeeper.dll needs in the application folder what really bugs me is that in the IDE my code works perfect but in the deployed run-time i get this error.
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Apr 26, 2010
I am trying to use my .NET DLL library that is compiled in VIsual Studio 2008 in Linux. Now for that they have this Mono CLI implementation but unfotunately they have not fully implemented Microsoft.VisualBasic library as of yet. So when i try to call certain methods from my DLL i get this error: "Could not load file or assembly 'Microsoft.VisualBasic, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.".
But not every function in my DLL crashes with this error. I found out that it is because this error only occurs when i use VisualBasic functionality. But the problem is that many things that come from this library are default things that you can do when using VB .NET.
Is there any way i can completely remove VIsualBasic functionality from my code in my DLL library?
I read in another post that setting Option Strict On is a good place to start but i still get the error even after doing that. Additionaly, i have unchecked VisualBasic namespace and removed it from references.
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Oct 12, 2009
I have an app, it was working but when it was copied to another machine, an error occuied.
�Could Not load file or assembly �Interop.Excel,Version 1.5.0.0Culture =neutral , publickey token=Null or one of its dependencies ,System could not find the file specified�
I do have interop.excel.dll at the same place with app.
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Apr 12, 2011
The program is finished I am on testing part. But I cant run the program. What happened was since I did this I got new PC so I had to install everything from scratch.. So now after downloading the mysql .net connector to connect to database and installing it i keep getting this error
"Could not load file or assembly 'MySql.Data, Version=6.1.3.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' or one of its dependencies. The system cannot find the file specified."
I tried everything Installed every single past version of the .net connector but I still keep getting error. I tried this on my laptop and even my new pc (which is 64bit so I thought thats the problem) but since I get the same error on laptop I don't know what else to do.
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Aug 26, 2009
when I start up my lap top I get the message "Could not load file or assembly 'sorttbls.nlp' or one of its dependencies". I use sage act 2008 crm system and it seems to have stopped this working completely. It has also caused windows media player manager to frequently stop working.
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Jan 2, 2011
Error while trying to run project could not load file or assembly 'windowapplication1' or one of it's dependencies.the module was expected to contain an assembly manifest
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Jun 14, 2012
I have a pc where I installed SAP Crystal Reports, version for Visual Studio 2010 - Standard (downloadfilename: CRforVS_13_0_3.exe) I even installed CRforVS_redist_install_32bit_13_0_3.zip on this pc. Here is my problem: I have a form containing a crystalreportsviewer.In the code behind I load crystalreport1:
Imports CrystalDecisions.CrystalReports.Engine
Imports CrystalDecisions.Shared
Imports System
Imports System.Data
[code]....
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