hello everyone i am new member in this forum under the name of cyberWorks i am 15 years old developper and i already used engines like game maker made some games with it and now i was using corona sdk and i really love it but now i am moving to unity i downloaded the free copy of unity 4 and when trying to install it gives me the error :"this application has failed to start because the application configuration is incorrect .reinstalling the application may fix the problem " i dont want to redownload the 671MB please helpp .regards 
pleaseeee peoplee anyone helppp i want unity working plzzzzz
anyone help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee