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[debug] vs exe runs "the application cannot start normally (0xc000007b)"

2022-07-17 22:48:00 【InfoQ】

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  Problem description

In today's VS2013 After publishing the application , The local computer can be turned on normally exe, But put it on another computer and it won't start normally , Print “ The app doesn't start properly （0xc000007b）. Please click on the “ determine ” close applications ”.

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Problem solving ideas

This situation is mainly about compiling and running computers dll The version of does not match or is missing dll file , In fact, there is a lack of dll Most of the documents will directly remind those who cannot be found dll file name , The version mismatch is not easy to solve .
There are two solutions ：
  • Understand what software is installed on the compiler computer and related software , such as Qt,vs2013 etc. , Install the corresponding software on the running computer , It can basically solve this problem . The premise of this method is that the compiler and the operator can communicate , But it is often difficult to achieve , Even if you can communicate , It takes a lot of time to install and build the environment .
  • Will run the computer may not match and missing dll file , Put the release package from the compiler computer . The premise of this method is to find out what the software depends on dll file , And determine what dll May need to be placed .

Find dependencies dll file

1.  Run the application on the compiling computer , open windows Task manager -> performance , Open explorer in the lower left corner

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2.  choice CPU, Check the application of interest , In the module associated below , You can clearly see what the program depends on dll Pieces of , After selecting all, copy the information to txt, Convenient for later comparison .

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3.  According to dependence dll File list , May not match or be missing dll file , Copy from the corresponding path of the system to the application directory . Here I copied MSVCP120.dll,msvcp_win.dll,MSVCR120.dll,MSVCR120D.dll,msvcrt.dll A few papers . The safest thing is to rely on dll All put in , But the software package will be redundant .
4.  Test run the new application package on another clean computer , If successful , If unsuccessful, you can return to copy other dll file .
My program has been running normally here , Then there is the packaging and release .
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