"Unable to contact Trend Micro" error message appears on the main console of Trend Micro Security software

  • Solution ID:1104176
  • Last Updated:Sep. 26, 2018 5:16 AM (PST)
  • Applies to:Antivirus+ Security - 2016;2017;2018, 2019;Internet Security - 2016;Internet Security - 2017;Internet Security - 2018;Internet Security - 2019;Maximum Security - 2016;Maximum Security - 2017;Maximum Security - 2018;Maximum Security - 2019;Premium Security - 2016;Premium Security - 2017;Premium Security - 2018;Premium Security - 2019;
  • "Unable to contact Trend Micro" | Error message | Trend Micro Security

You receive the following error message when opening your Trend Micro Security software or when clicking the About the Software button to trigger an update:

Unable to contact Trend Micro

"Unable to contact Trend Micro"

The issue happens when your Trend Micro Security software cannot connect to our Trend Micro server to get the latest program updates.


To resolve the problem, follow any of the options below:

OPTION 1: Check Internet Explorer's Proxy Settings
OPTION 2: Change the DNS server address
OPTION 3: Reset the Winsock
OPTION 4: Find and remove conflicting third-party software
OPTION 5: Check for possible virus or spyware