Help From experts needed Desperately ! E: signature verification failed MOTO G XT1032 topic

Now that the 5.0.1 update is out for 2013 MOTO G GPE(XT1032) . I have been trying to install it ... I tried both OTA and sideloading ... But ****ty Error : Signature verification failed wont just leave me . I had rooted and unlocked KK 4.4.4 so i thought may be it was due to tinkering. So i Flashed the Stock recovery KTU84P 3e... i flashed the stock rom (GPE_XT1032_KTU84P.M003_CFC.xml) than i relocked my device again .. i then tried sideloading once again but again that same E: signature verification error ... I have been doing nothing for the past two days but trying to update to Lollipop .. and now ihave become desperate ...PLEASE SOMEBODY HELP !!!!