I have been running my window 7 laptop for a few months with no problems then one day I switched it on and to restore to factory settings , got this message............. The computer restarted unexpectedly or encountered an unexpected error. Windows installation cannot proceed To install Windows, click ok to restart the computer, and then restart installation..................... I have tried tapping the F8 button and cannot start it in safe mode either. I do have 5 disk for Windows.it doesn't work . I did do a system restore but didn't back up properly ( I'm not that great I know) Please help. Many thanks in advance.