Android error installation failed with message invalid file

error cause: unknown, but Android Studio sometimes has this problem.
1. Sometimes because the software is turned off illegally
2. Sometimes the code from someone else’s computer will not run
. Sometimes a file
is missing. 4. Sometimes it is due to the problem of mobile phone terminal
and so on…
. Click the toolbar


Build Clean Project
2. Click the toolbar


An Rebulid Project
in Build can solve a large part of the problem

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