blue scree problem!!! brick??? i dont know

[CHRISSSSS]

hi all
im new member and fist post
i have a problem on my lg phone i don`t know whats wrong, so i decide to post my problem here because i cant find any solution

the problem occur after i download and install a application the phone reboot and after the lg logo it followed by blue screen and code,text,etc.
and the problem starts i cant turn it off using the power button, the only way to turn it off by taking out the battery and when
i turn it on
lg logo followed by blue screen and code,text,etc. battery to turn off
maybe it brick?? i don`t know
need help pllllzzzzzzz

my phone LG Optimus Big LU6800 - Full phone specifications

this is the code that i was talking about
its not the exact code expect the fist line
<6>[ 0.000000] Initializing cgroup subsys cpu <5>[ 0.000000] Linux versio - Pastebin.com
the text is not mine, its only use for show the type of code

thxxx in addvance

 

[landovr]

Was this an application from the market?

 

[CHRISSSSS]

yes i download juice defender from the market
and then the phone turn on LG logo display with white line above the screen
and i felt something wrong then i wait for five minutes
that usually take only for 4 to 6 seconds

what should i need to do

i need verrrry help

thx for reply

 

[landovr]

If you have your contacts and stuff backed up to google you could try a factory reset using the buttons on the phone. Hold power and volume - until you get a menu and select factory reset.

 

[CHRISSSSS]

i dint back up my files because i restore default setting the day i receive the phone and the same day i dint expect it to broke
too bad it only work for an hour

i try the button combination but dint work

heres the pic.