Remove '855-472-9850' Windows System Alert Scam - Get Rid of 855-472-9850 Phone Scam

Infected with '855-472-9850' Windows System Alert Scam

'855-472-9850' Windows System Alert Scam has become a nasty computer infection which attack many user's computer:

'855-472-9850' Windows System Alert scam hacked. Anybody know how to get rid of the '855-472-9850' Windows System Alert scam ? It pops up once in awhile and you have to remove it by removing it from the 'Task Bar. But it will come back again :mad: Must be hiding somewhere in my computer.