Moved to General Discussion.
Check your program list in Control Panel > Programs and Features for an item "McAfee Security Scan Plus and if listed, uninstall it.
It's not dangerous, just a nuisance and a security checker that downloads with 3rd party products such as Adobe - anything & many others.
Thank you Ex Brit, I will give that a go.
If it recurs a screenshot would be useful.
sorry what do you mean by that? Not very computer savvy.
Post a picture of what you are seeing. If you want to tell me what operating system this is then I may be able to find a tutorial for you.
For instance, using the Snipping Tool which exists on all Windows versions from Vista Upwards:
Just change the operating system at the top right if necessary.
Or how to capture a screen image using Paint (applies to any Windows version):
Again change the system at top right if needed. You'll need Microsoft Silverlight installed for that last one to work. It will prompt you.