The application Couldnt' Check For Virus Definition Updates – Windows Defender Posted on by Webmaster IT Support Forum › Forums › Antivirus › Microsoft › Windows Defender › Troubleshooting › The application Couldnt' Check For Virus Definition Updates – Windows Defender Tagged: 0x80072ee2 This topic has 0 replies, 1 voice, and was last updated 7 years, 5 months ago by Webmaster. Viewing 0 reply threads Author Posts January 5, 2016 at 8:21 am #1543 WebmasterKeymaster When trying to update definitions on Windows Defender, I get this error: Virus and spyware definitions couldn’t be updated. This application couldn’t check for virus and spyware definition updates… Error code: 0x80072ee2 Does anyone know how to fix this? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In