Did you run rsdlite as administrator on your pc? Try it again as admin, I think you can right click on rsdlite and select run as admin, or might need to go into properties to select run as admin.
What he said. Hold 'X' on the keyboard as you power up. Press the Search/Magnifying Glass after the Android with "!" pops up. Wipe System Data, then Cache. Then select reboot.