Messages unable to be delivered to me - invalid address

  My email address is the "from" on this email.

After a system restart, am unable to open a text file previously backed up

I need help in recovering a text file, a book, I have been writing and saving every 15 minutes or so. My laptop running Windows 10 version 1511, IE 11.20.10586.0 and using Apache Open Office 4.1.2 had a abrupt browser blank-out. Before restarting my system to clear the problem, I saved the