Have you sought assistance from your antimalware provider (Avast, AVG, Avira, McAfee, Norton, Trend Micro, etc)?
See http://malwaretips.com/blogs/remove-tech-support-scam-popups/
Alternatively - - -
If the malware popup is in your Edge browser and you cannot remove it, see Answerof RenePeerboom in this thread: http://answers.microsoft.com/en-us/protect/forum/protect\_other-protect\_scanning/how-to-remove-softwareupdateproductcom-from/ad19b030-e2f5-43de-ae5b-70bf8b24fa2e
Good luck…

