Thank you all for your help and advices.
Right now i am trying to flash emmc again becase something went wrong whn i repartitioned it and now i have 18.99 gb in my docs, and 78 mb memory for installable applications. The problem is that when i try to flash i get this now:

"C:\Program Files\maemo\flasher-3.5>
C:\Program Files\maemo\flasher-3.5>flasher-3.5.exe -F RX-51_2009SE_10.2010.13-2.
VANILLA_PR_EMMC_MR0_ARM.bin -f
flasher v2.5.2 (Sep 24 2009)

Image 'mmc', size 255947 kB
Version RX-51_2009SE_10.2010.13-2.VANILLA
USB device found found at bus bus-0, device address \\.\libusb0-0001--0x0421-0x0
105.
Found device RX-51, hardware revision 2101
NOLO version 1.4.14
Version of 'sw-release': RX-51_2009SE_20.2010.36-2_PR_MR0
Booting device into flash mode.
Suitable USB device not found, waiting."