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Corrupted files .mlapp, how to restore them in Matlab R2019b?

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Pierre Puchaud
Pierre Puchaud 2019 年 12 月 18 日
回答済み: Kavya Vuriti 2020 年 3 月 31 日
Hello,
I have created .mlapp files with matlab 2018b/2018a.
And they cannot be runned but not opened in Matlab 2019b.
Do you have any clue to modify it in matlab 2019b ?
Best Regards,
Pierre

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Adam Danz
Adam Danz 2019 年 12 月 20 日
I don't have a solution but here's what I've found.
As OP describes, the app open with appdesigner('Analysls') in r2018b and does not open in r2019b (Version: 9.7.0.1247435, Update 2). Instead, a message box appears stating that the mlapp file is corrupt.
I opened it with appdesigner('Analysls') in r2019a and it initially loaded but didn't completely load. Some of the app components didn't appear, the option to switch to code mode wasn't available, and the save button and other menu features were not enabled. When I tried to close appdesigner, the main window cleared but the App Designer window would not close. In fact, I had to close it from Windows Task Manager (matlabWindow.exe). I repeated that process in r2019a with the same results.
@Pierre Puchaud, I would avoid running this file in r2019a (or at least back it up first, which you should do anyway).
Pierre Puchaud
Pierre Puchaud 2020 年 1 月 6 日
Thank you for your advice.
Do you think there is a way to modify or convert the file in anyway that it could be modify in Matlab 2019 ?
Adam Danz
Adam Danz 2020 年 1 月 6 日
I would contact technical support with this issue and provide them with the link to this thread.

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Kavya Vuriti
Kavya Vuriti 2020 年 3 月 31 日
Hi,
I think you could try updating R2019b with the newest available update.

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