A Jailbreaking question

Hello. I have an iPhone 4 I am trying to jailbreak on the windows platform. I can get the jailbreak through the rebooting process, but when it gets through the reboot it tells me that its waiting for a response, then times out. does anyone know what response its looking for? Thank you in advance.

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#1 some questions

What iOS is the phone running? What jailbreak tool are you using? When it says it is waiting for a response, I am not sure, but I think it may be waiting for you to unlock your phone and tap the jailbreak icon.