New contract can't be installed because old one still in effect

I by aTrend Micro Maximum Security but I don't now is working o not??

In response to your question:
I bought INTERNET SECURITY,  not Maximum Security.

Hi julian305422!

How are you today? I hope you are doing great.

Thank you for informing us about your concern in the community. Let me help you with this.

Based on your concern, you would like to know if your Trend Micro program is protecting your computer.

In order for us to assure that your Trend Micro program is protecting your computer, please follow the instructions provided on the link below.

Check if Trend Micro Program is Properly Installed

I hope this will help you with your concern.

Thank you and have a great day! :)

Trend Micro Home Users Community

Hi jeffleisa!

How are you today? I hope you are doing great.

Thank you for informing us about your concern in the community. Let me also help you with this.

It appears that you are trying to activate your new Trend Micro Internet Security subscription on your computer. You may wait for your subscription to be completely expired and then, you can now activate your new license on your Trend Micro program.

To successfully activate your new license, you will just need to change the serial number on the main console of your Trend Micro program. Please refer to the instructions provided on the link below.

Changing the Serial Number of Trend Micro Security Software

If the serial number is not being recognized as valid, you may install the correct Trend Micro program on your computer. Please refer to the instructions provided below.

Installing Internet Security

I hope this will solve your concern.

Thank you and have a great day! :)

Trend Micro Home Users Community