Error flash gs290

[turca]

I have error for flash, my phone is dead with other box

LGE Tool version: 1.15
OS Version: Windows XP [NT 5.1] Service Pack 3
Administrative privileges: yes
Locale: Brazil / Portuguese
CPU frequency: 1799 MHz
Total memory: 1015 MB
Free memory: 147 MB
Free space on system disk C:\: 30.00 GB
Free space on disk D:\: 511 MB
You have slow cpu. Correct work can only be guaranteed on cpu with frequency 2 GHz or more.
You have small amount of free memory. Please close all another applications. This application require about 512 MB of memory.
Connecting with GS290
Disconnect battery and connect cable to the phone
Device found
Setting up configuration
Looking for GPT
Looks like your phone is locked. Unlock it first using UART cable.
You will be available to update firmware/flash full during next connect, but it is highly recommended to unlock your phone first.
If you are sure, that phone is not locked, try to re-select model and reconnect
Disconnected
Action cancelled
Connecting with GS290
Preparing loaders
Reconnect battery and connect cable to the phone
data port: open error
Don't forget to reconnect battery
Disconnected
Connecting with GS290
Preparing loaders
Reconnect battery and connect cable to the phone
Software Platform: S-Gold3 rev. 5
CPU: PMB8877
Device found
Sending preloader
Protocol: Checksum error
Don't forget to reconnect battery
Disconnected