Thanks Neemobeer. The traffic stops when the PC is switched off, powered down. I have noticed if put to sleep only it will wake up from time to time and continue it's unauthorised activities. I'll give your suggestions a try tomorrow and see what happens and report back. Thanks again.
Genuinely a question with no idea where to begin, how to phrase question, how to resolve.
The basics, Win7 upgraded to Win 10, but problem began in Win7.
Current status... Win 10 on my son's PC, many many games, Steam Account, apps, typical teenager, albeit high spec hardware. Said machine is...
