Update

Hi, iainbouy.

 

Welcome to Trend Micro Community!

 

You can try to restart Trend Micro's components by following the steps below:

1. Open Spotlight, type Trend Micro Antivirus Diagnostic Toolkit, then press RETURN.
2. On the General tab, select Stop Components.
3. After 3-5 seconds, click Start Components.
4. Close the Trend Micro Antivirus Diagnostic Toolkit then open Trend Micro Antivirus then check if you can now do an update.

Let us know if you need further assistance.

 

- TM_Kim