You can such an error when the application was started from debug/relase bin folder and is still running; then the EXE is locked and the build process can't replace it.
Lookup in Task Manager if the EXE is running.
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I was building a Backend server in microsoft visual studio using crow c++ library. Everything was working fine but suddenly on trying to build project after sometime it showed error which said " cannot open .exe file " out of nowhere
Please help guys
You can such an error when the application was started from debug/relase bin folder and is still running; then the EXE is locked and the build process can't replace it.
Lookup in Task Manager if the EXE is running.