Default my xperia x2 update service problem

i made the steps for the update center then i wait the phone to complete the update in 99 % the progame always tell me pleasecharge your phone at least 50 % but my phone is 100 % and my battery works 3 days , program told me to contact sonyericsson support center , the mobile is no longer exist on sony ericsson site & my windows is crashed up any advice or hard reset

Sorry for the english