0x800704ec

  • The most common reason for 0x800704ec to pop up on Windows 10 is due to the installed anti-virus program. Initially, Windows Defender used to be called Microsoft Security Essentials and was a downloadable program for Windows XP, and later was included with Windows Vista and Windows 7. Since Windows 8 came out, the software evolved into a built-in anti-malware application, which is set to run in the background of the system all the time. This post will walk you through 5 solutions to solve this Windows Defender problem.