Mising MSVCRT.dll in Visual Studio 2008 Application?

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VS2008

Hi,

I have just rebuilt the debug version of one of my applications and when I try to run it, it says MSVCRTD.dll is missing. I think this DLL is part of VC++ 6.0 which I did have on my PC a long time ago. The application was never compiled using VC++ 6.0 so I am not sure why it needs this DLL. I have seen suggestions that I should install the WDK to fix the problem, but I'm not sure if this is the best thing to do.

Why does my app need this DLL, I don't think any of the other DLLs I use need it?

Does anyone have any suggestions as to what is the best way forward?

Thanks

Tony

Posted 30-Aug-13 4:31am

softwaremonkey

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Jochen Arndt 30-Aug-13 10:40am

Did you tried to run the app on another PC than the one used to build the app?

EDIT: Which DLL (with or without 'D': MSVCRT or MSVCRTD)?

[no name] 30-Aug-13 11:18am

AFAIK The "D" is a debug DLL for the C++ runtime and debug DLLs are not distributed.

Richard MacCutchan 30-Aug-13 11:25am

If you have just rebuilt it then you must have all the required development environment on your system, including these dlls. What did you use to do the rebuild?

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softwaremonkey · Answer 1 · 2013-08-30T05:50:00

Thanks for the reply.

The program works on my other PC (which has VC++6.0 installed) and the release version works on both PCs.

I understand that the D is debug and I don't wish to distribute the debug version. What I would like to do is RUN the debug version on my development PC which I can't do at the moment (only the release version will run which isn't a lot of use while developing)

Yes, as you say, I still have MSVCRTD.lib on my development PC so it links OK but the DLLs are not there. I think the LIBS and headers were left behind after I uninstalled either VC++ 6.0 or the WDK. I could re-install the WDK and might end up doing so but I would like to understand why this particular app needs MSVCRTD.dll while others which were developed in the same way do not.

I worry that if it is linking with MSVCRTD this might be an old DLL which might cause problems further down the line. I want to do the right thing, not just make it work - if you catch my drift!

softwaremonkey · Answer 2 · 2013-09-03T05:46:00

I figured out what the problem was and thought I would put the solution here in case anyone else might find it useful.

I used the dependency walker to show exactly which part of my app was needing MSCVRTD.DLL and I found that it was required by one of my other DLLs. It turns out that although I checked to make sure my application was being built using up to date versions of my other DLLs, I had failed to realise that there was an old copy of one of my DLLs (built using VC++ 6.0) in the application's debug folder. Once I copied the up to date DLL into the app's debug folder, all was well.

Mising MSVCRT.dll in Visual Studio 2008 Application?

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