
Existing Subscription: Log in to your Trend Micro Account to see the list of your ongoing licenses.Retail: Check on the Receipt or Product Box.

Online: You will see it on the Order Confirmation Email.If you feel capable of activating Trend Micro Security on your PC, just follow these three simple steps.ĭouble-check the serial number you typed depending on where you purchased Trend Micro: You can get in touch with us by giving us a call or starting a chat. If you're unable to activate your Trend Micro product on your own, don't hesitate to seek assistance from our experts. How do I fix this? Get help from our experts

You may also have been provided a new one for your subscription. You may have entered an incorrect combination of your serial number. ' X' represents a letter ' 0' for a number. Your serial number is the 20-digit activation code you can use to register your Trend Micro program.Įxample format: XXXX-0000-0000-0000-0000. Once you've done all that, log back in, start up Vw, enter your SN and hope for the best.You may see this error message when trying to activate your Trend Micro Maximum Security, Trend Micro Internet Security, or Trend Micro Antivirus Plus Security program: "You have not provided a valid serial number." Log in to your user account, and for good measure reset the NVRAM as described below. Once restarted, repair your Permissions and restart again. Once you've deleted the Vw preferences, empty the trash and restart. Click Library to open this folder in your Finder Window.ģ) Throw away the “” file from 'HD > Users > (User's Home Folder) > Library > Preferences'Ĥ) Throw away the ".ist" file from 'HD > Users > (User's Home Folder) > Library > Preferences' An option for "Library" will appear in the Go Menu. The easiest way to display it is to open Finder, click on the Go menu in the Menu Bar, then hold down the Alt/Option key on your keyboard.

2) Throw away the “” file from 'HD > Library > Preferences'įor steps 3-5: On Mac OSX 10.7 and newer, the Library folder for your User account is hidden.
