title: Qt application can't find QtGui4.dll and QtCore4.dll
body: <p>This Qt application was complied by VS 2010 for the end users, but the executing application doesn't find Qt's dll. In the folder, there are QtGui4.dll and QtCore4.dll How can I solve this problem?</p>
  
  <p><img src="https://i.stack.imgur.com/HI7aJ.png" alt="enter image description here"></p>