build qt program in release version run carsh

I write a Qt program and build a release version "myProgram.exe" to run on other PC. The release version can run on my pc, but can't run on other pc. Other pc didn't install Qt enviroment, but I copy the QtCore4.dll and QtGui4.dll to the same directory with "myProgram.exe". When I run "myProgram.exe", the program will crash, the error information is "APPCRASH, ..., error module: QtCore4.dll, ..., error code: c0000005".
I write and build "myProgram.exe" using vs2010
Thanks a lot.

you should use an installer - maybe those dlls are not the only required dependencies?

Otherwise, I suggest you make a debug version and try that on your friends machine.

Use Dependency Walker on the target box to see what's missing.

Error 0xC0000005, AKA Access violation, is typically the result of using a null or invalid pointer in your code.

Error 0xC000007B (decimal) -1073741701, STATUS_INVALID_IMAGE_FORMAT) is typically the result of missing or corrupt DLLs.