[USB comunication problem]

meanwhile i upgrading the panel, usb stick must be pluged o unpluged?? all of this time i have the usb stick pluged 

[USB comunication problem]

i think has passed something like a 30 minutes  is showing "upgrading" screen

 

[USB comunication problem]

i really apreciate your help, was very helpfully for me, now i upgrading me unistream PLC, but is taking a lot of time. i just wating to the procces finsh.

 

Thank you a lot.

[USB comunication problem]

Thank you for your quickly answer, can you tell me how  i can update the unilogic firmaware of my panel?

 

[USB comunication problem]

Hi friends i am new in this forum, i have a trouble comunicaction when i connect the " USB device" to my PC, i read some topics in this forum and i earned  some solutions but i don`t have succes.

after a lot of configuration in my pc almost can establish comunication but a new message apear. 

now i show you a capture with the message, i hope you can help me

thank you !!!

Grettings from Chile !

Pd: sorry if my english is not so good.