I develop an unmanaged DLL with Visual C++ which is part of my application. I have always had various problems with linking the VC runtime library. Somehow I managed with VS 2005, but since I moved to VS 2008, the release version of my DLL no longer works on any PC other than the one with my development tools (namely VS 2008).
I link the runtime library as multi-threaded DLL (/MD). I tried the /MT option but that causes a lot of error messages. I allow isolation of the manifest file, and of course installed the VC++ 2008 runtime (although I don't think it should be needed). I also tried the dependency walker to check what is missing. On my development PC (VS 2008 SP1 installed) three files are reported missing:
MSVCR90.DLL, GPSVC.DLL, IESHIMS.DLL
But that does not stop the application (and my DLL) from running.
On all other PCs I tried to install my application on, apart from these three, a fourth file is reported as missing by dep. walker: MSVCP90.DLL.
More importantly, my own DLL is not working as well.
I know this is nothing new and I tried to read everything I could find about SxS problems but I still don't know what to do. Hopefully my description of the 'phenomenon' is good enough for someone more experienced to give me some help.
Thanks in advance.
You may need to distribute and install Microsoft Visual C++ 2008 Redistributable, OR SP1 versionf of it.
Related
I am trying to build a few different 32-bit C++ applications with Visual Studio 2015 that use CEF. To use CEF, I am currently acquiring the CEF prebuilts from Spotify. The dll wrapper for CEF is built using Visual Studio 2015 with some modifications to its CMake files to force it to build with MD and MDd mode regardless of other settings. This was sufficient to make these C++ applications run on some machines. Any machine on which Visual Studio 2015 is installed on before anything else they can run on, however some machines seem to exist in a state such that the program will produce an error on starting when lacking the MSVC 2015 runtime (as expected), but when adding the MSVC 2015 runtime the program simply crashes; however, it only crashes after CEF is used. These programs work fine when they don't link to libcef.dll and don't include the browser functionality.
Upon investigating, I found that libcef.dll, as built by spotify, links to MSVCP110_WIN.DLL, which is from the Visual C++ 2012 Redistributable package. Naturally, the application I am building links to MSVCP140.DLL, which is from the Visual C++ 2015 Redistributable package. This means that the application ultimately links to two runtimes simultaneously. I do not know if this is an issue, but so far it seems to be my best lead. Installing the Visual C++ 2012 Redistributable does not change the outcome and it continues to crash when CEF is used.
This issue has been witnessed on both Windows 7 and Windows 10 and the application works without CEF on both of those operating systems as well, so the operating system is not likely to be the cause of the failure on these systems specifically.
Has anyone else encountered this issue and does anyone know a workaround? Also, does anybody know if it is okay to mix these two runtimes and what the limitations are? It seems that the installation history of a given machine affects the success of running the application, so any hints into what combination of things leads to this failure would be helpful as well.
You have some options:
Use the lastest version of VS that will allow a selection of Platform Toolset that matches libdef.dll. For example, VS2013 might allow the selection of the 2012 CRT.
Or convince Spotify to rebuild libcef.dll such that it matches your version of CRT
Or convince Spotify to not release libraries that depend on the CRT (yes that's probably a bit of work).
Or make a small app built against the older CRT, this app can then successfully use libcef.dll. Then you get to use any IPC technique so that your main VS2015 app can talk to this wrapper. Running out-of-process is one way to segregate the unruly third party libraries.
EDIT:
This is open source? Well good news, you can fix this yourself, built the CEF against your favorite version of VS.
I have spent an incredible amount of time getting our product to run properly on customers' machines after we moved to Visual Studio 2015, and I still have one problem left to solve. The problem is that I can't get any of the C++ 2015 redistributables installers to work on 32-bit Windows 7 when it hasn't been patched (Windows Update).
The full story:
We upgraded all projects in the solution from VS 2013 to VS2015 and .NET 4.5.2, which also forced us to upgrade to "Microsoft Visual C++ 2015 Redistributable (x86/64) - 14.0.23506/23026)". We've done this kind of upgrade many times before, from VS2010 and up, and it never failed before.
23506 (for short) are the DLLs that accompany VS2015. We always found it easier to just XCOPY the DLLs into our installation folder. For some reason that doesn't work with the DLLs from VS2015 (23506). The program can't find them even when placed in the same folder as the executables. Why not?
Then I ran vcredist_xXX.exe that accompany VS2015, and the program runs fine.
But I want to XCOPY, so I discovered the download of 23026 from Microsoft, but there are no DLLs in there - only vc_redist.xXX.exe. Still, I copied the DLLs from somewhere in Windows - the paths to each DLL is listed in the registry. By the way, there are two extra DLLs installed that are not present in the folders in VS2015. "mfc140.dll" and "mfcm140.dll". Why?
But XCOPYing 23026 didn't work either, not even with the two extra DLLs. Running vc_redist.xXX.exe from 23026 worked fine.
Ok, problem solved, I thought. Using vc_redist.xXX.exe instead of XCOPYing. But no.
The final problem is that vc_redist.x86.exe (from 23026) and vcredist_x86.exe (from 23506) both fail when run on a 32-bit Windows 7 machine that hasn't been patched (Windows Update) at all after installation. For reasons I won't go into, that's the kind of machines we have to install our product on - unpatched 32-bit Windows 7 - no way around it. (The problem maybe exists on 64-bit unpatched Windows also, but I haven't got the time to find out.)
How do I get around this?
I am trying to link the C++ runtime statically and drop the DLLs alltogether, but it seems impossible when you have native C++ with C++ wrappers in a .NET project. This issue has already been reported by others, so no need to go into it here.
I have tried searching for DLLs to download, or a way to extract DLLs from the installer. Anyway, as mentioned above, I already tried just copying them from somewhere below C:\Windows. Doesn't work, so I doubt I can get some DLLs that will work. But again, why? If somebody can help me figure out this, it could be the perfect solution for our problem.
I have been thinking about finding the exact Windows patch(es) needed to get that installer - vc_redist.x86.exe - to work on those crappy machines. If it's just one or a handful of KBs that doesn't destabilize these machines, that would perhaps be acceptable.
A possibility that definitely should work is to downgrade the C++ projects to VS2013, which doesn't have this problem. I am really fed up of us always having to keep two versions of Visual Studio on our developer machines as a workaround for some silly problem, but if there's no other way, then so be it, even in 2016.
Found a quick and simple workaround. Turns out we only need to change the setting "Platform Toolset" to "Visual Studio 2013 (v120)" in all the C++ projects, in order to build with the good old DLLs that still work with XCOPY deployment. I was under the impression this setting would not go together with .NET 4.5.2, which we need, but it does. VS2013 will have to be installed along with VS2015, but we can live with that.
As stated, this is a workaround. It doesn't solve the actual problem stated in the title. But since I actually asked for a way around the problem, I'll close the issue with this answer.
As for the actual problem, if anyone is interested: I found some blog entries on the Visual C++ Team Blog - "Introducing the Universal CRT" and "The Great C Runtime (CRT) Refactoring". Where that leads, I'm not sure.
I was able to get this resolved on my local PC by following the updated step 6 on that article: https://blogs.msdn.microsoft.com/vcblog/2015/03/03/introducing-the-universal-crt/
Once you copy the 20 or so DLLS folder it still didn't work for me, I had to grab the ucrtbase.dll and ucrtbased.dll along with all the usual 140 (mfc, mfcm,vcruntime, msvcp) from my SysWOW64 folder and finally i'm able to launch this on a windows 7 pc without requiring to install any patches!
I am using JNI to interface to a CAN driver I wrote using MSVC++ 2012. Everything compiles and runs fine - but only on my computer. Whenever I try to run on any other computer, I get the JNI "UnsatisfiedLinkError" - can't find dependent libraries. I've implemented JNI before, and typically this issue is resolved by simply installing the Microsoft Visual C++ Redistributable Package before running my program. The Redistributable does not solve my issue, however, installing the entire MSVC++ Express 2012 IDE on the computer in question seems to make everything work just fine. Thus, I assume this means that there is some dependency that gets installed and added to PATH when the IDE is installed but not when the Redistributable is installed. Just for verification, I uninstalled the IDE and my JNI driver failed to load once again. The primary difference between this and my other implementations of JNI is that I use Windows.h since it is required for the CAN API I use in my driver. Any ideas on any libraries installed with the IDE but not the Redistributable and whose prototypes are included with Windows.h? (Note: I am aware that Windows.h includes a number of headers itself but I imagine the other criteria make the issue a bit more specific.)
First guess: You are installing a debug build intead of a release build. Debug builds depend on debug versions of the CRT, which cannnot be redistributed.
Check that you are using the right "Microsoft Visual C++ Redistributable Package". There are 2012, 2012 Update 1 and 2012 Update 2 (as well as many for 2010, 2008, ...).
Assuming your dependencies are load-time DLLs, you can use Depends to find out what's missing. (Note: you'll typically see some delay-load DLLs that are "missing". Ignore thoses; See the FAQ.)
Of course, once you find out the name and path of the missing DLL, you'll have to find out what redist package installs it.
I'm trying to investigate why would my app, written in VC 2008, crash on bare Windows XP with c0000005. It works great on any windows vista and 7. On XP it would crash with no additional info. Below are the details and the result of a few days worth of my headaches, eliminating one reason after another. Here's the details:
I have Win7 ultimate with XP Mode with iexplore 6 and presumably no patches whatsoever.
I install my program and nothing else, since it is supposed to be install-and-run thing with no additional packages needed.
My app has compiled-in VC2008 runtime (using /MT, as opposed to /MD compiler switch)
I'm using firebird embedded, which needs VC2005 (edited, i wrote VC2008 before) libs for itself anyway, so i put them in my app's working dir
when i install VC++ 2008 on this XP Mode machine, it doesn't crash anymore, so debugging this way is impossible
I've narrowed this error's occurence down to the VC2005 runtime - right after i install it my app stops crashing. But i don't know what could be using it's components. When running the release version under VC2008 IDE, nothing shows any vc2005 libs being loaded (weird, if i say so myself).
My app's linker's dependencies lists these (i added only the first two, the rest was there courtesy of VisualStudio): jpeg.lib, gdiplus.lib, kernel32.lib, user32.lib, gdi32.lib, winspool.lib, comdlg32.lib, advapi32.lib, shell32.lib, ole32.lib, oleaut32.lib, uuid.lib, odbc32.lib, odbccp32.lib, comctl32.lib, %(AdditionalDependencies)
I am also using IBPP firebird interface, which loads these dynamically, so they are present in my app's dir (they need msvc?80.dlls):
fbembed.dll, ib_util.dll, icudt30.dll, icuin30.dll, icuuc30.dll, msvcp80.dll, msvcr80.dll
Please advise why would vc2005 runtime be a remedy for my app to not crash on a bare Win XP. Or how could i debug that one without installing vc 2008 on target machine. I'm starting to blame windows xp's components. Ultimately i want my app to not require any additional packages, such as VC2008 or 2005, especially when no component of my app requires the latter.
I am also using IBPP firebird interface ... msvcp80.dll, msvcr80.dll
The answer is in your question, these DLLs are VS2005 runtime support DLLs. They cannot be stored in your exe directory, they must be registered in the side-by-side cache. This does not typically cause an AV, but it isn't impossible if the code doesn't check the return value of LoadLibrary(). You can download an installer for them from Microsoft. It doesn't otherwise have anything to do with Windows XP, you just happened to try to run this program on machines that already had the DLLs installed. Very common on a dev machine for example.
If you don't want a dependency on them then you'll have to rebuild those DLLs that require it. Which is a good idea, having a dependency on more than one version of the CRT is pretty unhealthy.
If you are wondering why you are having to deal with this: it was Microsoft's attempt to put DLL Hell in the developer's lap instead of the user's. They've since withdrawn this, VS2010 again makes it a user problem. That was a pretty big party in Bangalore, I'd imagine.
This is the error Dependency Walker gives me on an executable that I am building with VC++ 2005 Express Edition. When trying to run the .exe, I get:
This application has failed to start because the application configuration
is incorrect. Reinstalling the application may fix this problem.
(I am new to the manifest/SxS/etc. way of doing things post VC++ 2003.)
EDIT:
I am running on the same machine I am building the .exe with. In Event Viewer, I have the unhelpful:
Faulting application blah.exe, version 0.0.0.0, faulting module blah.exe,
version 0.0.0.0, fault address 0x004239b0.
Open the properties sheet for your project, go to the Configuration Properties -> C/C++ -> Code Generation page, and change the Runtime Library selection to /MT or /MTd so that your project does not use the DLL runtime libraries.
The C/C++ DLL runtimes used by VS2003 and up are not automatically distributed with the latest version of the OS and are a real pain to install and get working without this kind of problem. statically link the c-runtime and just avoid the total mess that is manifests and version specific runtime dlls.
I've had this problem. The solution has two steps:
1. Compile your program in "Release" mode instead of "Debug" mode (there's usually a combo-box in the toolbar)
2. Download from Microsoft their Redistributable Package of runtime components. Make sure to download the x86 edition for 32-bit computers and the x64 edition for 64-bit computers/OSes. Install this package on the target computer, and your application should run fine
P.S. This is a SxS thing
P.P.S. Alternatively, use a different compiler (like GCC, for example with Dev-Cpp) to compile your program's source, and your headaches will disappear.
Sorry to bump an old question, but I was able to get around this exact issue and thought I'd post a solution in case someone else needs it...
Even after installing Microsoft's redistributable DLLs I was getting this error, the fix was to copy the
C:\Program Files\Microsoft Visual Studio 8\VC\redist\x86\Microsoft.VC80.CRT
folder into the application's directory on the target PC. After that, no more problems.
BTW, the DLL that was giving me issues was a 3rd-party DLL that had never had problems before on over 100 other computers... go figure.
Run Event Viewer: it'll have more information.
Probably you've attempted to run your program on a machine that doesn't have the VC redistributables installed, or you're attempting to run a debug build on a machine that doesn't have Visual Studio installed (the debug libraries aren't redistributable).
I have had the same issue with VS 2008-built debug binaries on other winxp sp3 machines.
I first tried installing the client machine with vc redist package,as it seemed sensible. Annoyingly, it didn't work.
I tried copying all the dependent dlls to the application's directory - still didn't work
After being struck over this issue for hours, I found that the latest VS builds require manifests and policies to link with the dlls. After copying them into their respective "C:\WINDOWS\WinSxS\" folders, I got it working.
The problem was caused due to the fact that the vc redist package did not install debug versions of dlls, they somehow thought its up to the programmer to figure out.