Question about Trend Micro PC-cillin Internet Security 2005 for PC
You might try the numbers without the dashes/and with. Try captol letters, and small.
Some, like Microsoft intentionally make some of the registration numbers invalid, so that you have to call in and tell them what you are using the application for and where you got it, etc.. Some kind of Q/A thing.
If nothing works, and you are sure you are entering the number right, you can look at the FAQ's and email them on their website or call them.
Posted on Dec 18, 2007
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Posted on Jan 02, 2017
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