Why is my iPhone 4 having problems updating the firmware?

[iMore Question]

why my iphone 4 is having problems in updating firmware

when i switch on it shows a charger with iTunes blue logo.dhen i connect to i tunes .it says to restore or update..i tried both..but it always says errors

 

[Septembersrain]

Re: why my iphone 4 is having problems in updating firmware

If you're using the newest iTunes version, disable your antivirus first before trying to restore/update. That worked for my errors.