Question [Q] ERROR: "unfortunately"pop up window

hey guys i need ur help.
i am a sony xperia u user,the phone is rooted ,custom rom, CWM installed
And the the thing happend is that i have factory reset my device via CWM and when i turned it on a pop window says''unftunately device monitor has stopped'' and "unfortunately overheat control is stopped'' appears every second as it makes me unable to process anything....and my device isnt connecting to the PC

please help me fix this issue

coz i know this is the oly place where i can fix this issue