We would first like to mention that the BIOS seems to be a beta version and not a production/final version. Also, the description relates the issue to a driver device conflict within the Operating System and the USB device. Furthermore, if a .dll file is indicated to be missing, this means the Operating System is corrupted. Please note that in order to discard a corrupted Operating System, best option is proceeding with a fresh installation.
From the processor side, please make sure this is being properly recognized by the system and properly working. For this matter, when being able to boot into the Operating System, feel free running the Intel® Processor Diagnostic Tool to confirm it is properly working: http://www.intel.com/support/processors/sb/CS-031726.htm
What we can recommend you is contacting your motherboard manufacturer for troubleshooting the hardware portion involved on the issue.
Karla i appreciate you for the answer.
I want to do a small edit: The blue screen appeared to me before i install the drivers for the usb wireless card. I just insert the usb flash and looking the files in it in "My Computer" and after 10sec i 've got a BSOD... I never install the drivers for the wireless card. So (i think) it can't be a driver conflict. Also, i've checked the flash for viruses on a friend's laptop after this and it's clean.
*The operatng system was fine and it can't be corrupted since i never install any drivers. The OS is about 6 months intalled and i ensure you it is clean and functional.
Also, you suggest me 2 things:
1) You suggest me to do a fresh installation. I can't do a fresh installation, because, as i said, the Windows Setup can't load either! When i boot from CD and trying to load the windows setup the system says me that an another file is missing (i don't remembrer the filename) and it can't load me the setup to do that. The only thing that can load and run from CD is the Memtest86+.
2) About the BIOS. You said me that is a beta version. I know that. The Gigabyte support forums suggest me to update to this version about 3 years ago because i had problems in compatibility with my memory. After i flash the BIOS from F3 to F14o the problems disappear and the PC worked fine for 3 years ago.. Now if you want to flash my BIOS to a newer version, i can do it only to a beta version since there is not any final version for my model: GIGABYTE - Motherboard - Socket 1366 - GA-EX58-UD4P (rev. 1.0).