Thread: I acquire "Application establish failed..." after set up Windows Phone 7.5 Mango

I utilized my windows phone founded mobile phone in previous 6 month. Now I set up Windows Phone 7.5 Mango onto it. Later completing this function I test to try the mobile phone. I get app set up failed. Make confirm that the machine display is unlocked and machine is developer unlocked.

Test to function the Developer Registration Tool once again on your mobile phone. The Windows Phone Developer Registration tool is a local app that permits you to register your Windows Phone. This registration has been help to do the opening works on your mobile phone. There is no price or damage in unlocking it again.

It is significant to try your Windows Phone apps on a physical machine. Developer Registration Tool helps to do this job. Before utilizing this tool you must have a recent account on the application hub. If your phone is already registered, the Status content will shows this and you will look an Unregister key. You require to neglect this Unregister job. Hence test to do this job and assure what solution comes onto it.