The error Wireless network connection doesn’t have a valid ip configuration means that Windows cannot find a valid ip configuration for your current and/or other wireless connections on your systems. An IP address is an identifier on the world-wide web which shows who you are. Each internet user has one (one per household in most cases (99%))
A common error on Windows Vista and Windows 7. In Windows 8 this error is very rare. The main cause for this error is that the system is missing the right c++ runtimes from Microsoft. By installing these the message ” The application has failed to start because its side-by-side configuration is incorrect” should no longer appear.