I was reformatting my computer to bring it back to factory settings. During the process, an error occur and I am not longer able to reformatted. The message on the computer is the following: windowns failed to restart. A recent hardware or software change might be the cause . An error occurred while attempting to read the boot configuration data. Can anyone help me with this issue. My computer is toshiba laptop windowns 7. 64bit. P505 s8980.