installation trend micro antivirus on a pc windows 7 problem with windows installer not sure

Hi @edp,

Welcome to Trend Micro Home Users Community!

May we know what is the name of the Trend Micro Product that you are trying to install?

If you are trying to install a Trend Micro for Home Product such as Trend Micro Antivirus + Security, Internet Security and Maximum Security, Windows 7 is no longer supported. 

Reference: Trend Micro Security System Requirements for Windows | Trend Micro Help Center

However, if you are using Trend Micro for Business Products such as Apex One and Worry Free, please reach out to their dedicated support team for assistance. Kindly check the link below to contact their support team.

Trend Micro for Business | Contact Support

Hope this helps!

Thank you very much. I use Trend micro Worry free for Business

Hi @edp,

Since you are using Trend Micro Worry-Free for Business, please refer to this link to contact their support team: Trend Micro for Business | Contact Support

Thank you and have a great day!