OK... This page was written in response to requests for Malware Help... but it applies to any Computer Help situation that you see on your screen / display / monitor.
The best way to ask someone for help is to send them a "Screenshot" of the Program Window or Dialog Box of the item in question.
Also... Whatever the notice is that you are getting, it probably contains keywords and phrases that you can search on, and likely get an answer for.
Education is your best defense. Learn how to identify threats, and handle them yourself. The more you do this, the better your chances are for avoiding a Computer Infection in the first place.
In the meantime...
For MS Windows Users, here is an excellent resource for...
wikiHow: How to Take a Screenshot in Microsoft Windows
My suggestion is to use:
Method 2 of 3: Taking a One Window Screenshot
If you use a different OS (operating system, like Linux, Mac, or Android), just add that identifier to the following search:
Be sure to also visit the Parent Page of this section...
a58tech on: Malware
:-)