Nextbook not recognizing booting programs.

My Nextbook Flexx 10 is giving the message “ ‘fs0:\EFI\Microsoft\Boot\bootmgfw.EFI’ is not recognized as an internal or external command, operable program, or batch file.” What do I do to get it working again?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0