i updated to android l 5.0.1 and cant get fastboot to start topic

Hello i dont know if this is the right place for the threat.

i just updated my nexus 4 and im not getting in the fastboot method. i updated al the drivers and it keeps asking me for mtp drivers.
im using windows xp and wugfresh method. if done a lot of rooting but never been stuck....I need my rooted device.

Can anyone help me true this.