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.NET Forum / Languages / Managed C++ / November 2006Cannot run exe to debug DLL in VS.NET 2003 - Unable to start debugging. Unable to start program. - Why???
Hello, I'm using an executable (for which I do not have the source code nor the pdb file) as the startup application to load a DLL I'm writing and need to debug. If I try to debug the DLL I immediately get the error "Unable to start debugging. Unable to start program XXX.exe". If I do "Start without debugging" my startup application gets correctly executed. Is this problem due to the fact I'm missing the debugging information for the exe??? The VS.NET 2003 debugger seems to work fine (if I create for example a console application I can debugging it without any issues). I also tried using VS.NET 2005 and everything works as expected apart an initial notice that the IDE could not find the debugging information for the executable. Is this the issue with VS.NET 2003, is it the missing debugging info for the exe??? Any ideas? Thanks. Bob Rock > I'm using an executable (for which I do not have the source code nor the pdb > file) as the startup application to load a DLL I'm writing and need to [quoted text clipped - 8 lines] > the issue with VS.NET 2003, is it the missing debugging info for the exe??? > Any ideas? Missing debug information should not cause this problem. Is this executable native or managed? Same for dll? Is there any additional explanation in the error message? -- Oleg [VC++ MVP http://www.debuginfo.com/] > Missing debug information should not cause this problem. > [quoted text clipped - 5 lines] > Oleg > [VC++ MVP http://www.debuginfo.com/] No additional info in the error message. I tried changing the startup exe to any application like notepad or IE. I get the same exact result and message. Anyway the original startup exe was a managed VB.NET 2002 compiled application. But any exe leads to the same error. Regards, Bob Rock BTW, I'm using a windows 2003 R2 standard edition + visual studio 6 + visual studio .net 2003 + visual studio 2005. Everything service packed to the latest bits. Bob Rock What happens if you open that same executable as a new solution? (I mean something like File | Open Solution and select the .exe) Will it be possible to debug it (and the dll)? Oleg > What happens if you open that same executable as a new solution? > (I mean something like File | Open Solution and select the .exe) > Will it be possible to debug it (and the dll)? > > Oleg I do not have the source code for the original executable. Anyway, having created a solution with a simple EXE that loads my DLL I can debug both the EXE and the DLL . Still I cannot use an external executable as the startup application for my DLL. This is most strange. Bob > I do not have the source code for the original executable. Anyway, having > created a solution with a simple EXE that loads my DLL I can debug both the > EXE and the DLL . Still I cannot use an external executable as the startup > application for my DLL. This is most strange. OK. So at least you have a workaround. Also this narrows the problem down to the dll's solution. Could you please list all settings on Project properties | Configuration Properties | Debugging page? Oleg
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