1 Message


100 Points

Mon, Aug 23, 2021 1:33 AM


PayGuard does not open in Firefox v91.0.1

I have been using T.M and PayGuard for nearly 3 years, and for the last few days the PayGuard interface no longer opens in Firefox. Please assist (it's nearly time for me to renew the 3-year subscription, or switch to a different A-V product).

Brand User



520 Messages


6.9K Points

3 m ago

Hi, brain.


I would like to ask for further description and explanation of the symptoms you are experiencing. Please let us know what happened.
Please also provide us the following information:
1. Trend Micro program version 
2. Mozilla Firefox version 

You can also try to restart Trend Micro's components and check if the issue still persists. Here's how: 


1. On your keyboard, press and hold together the Windows key + R key. 
2. In the open field, type supporttool and hit Enter or click OK. This will open the Trend Micro Diagnostic Toolkit. 
3. Go to C(Uninstall) tab.
4. Click number 5, after a minute click number 2. 
5. Wait for another minute, and click number 4. 


Awaiting for your response.


- TM_Kim

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