crwdns2934241:0crwdne2934241:0 slashinpdx
crwdns2934249:0crwdne2934249:0:
Boot into recovery, then from the command prompt type: bcdedit /set {default} recoveryenabled No Restart and it should tell you what file is causing the hangup. I was able to replace the file (c:\windows\system32\drivers\avgrkx64.sys) with a .old version of itself and then boot successfully.
crwdns2915684:0crwdne2915684:0:
open