Some time ago I complained to my ISP as I was only getting 1/2 speed (approx). They suggested I test another machine - and presto - the problem was my machine. Spent some time trying to solve why it slowed, and would usually come right after stopping everything I could think of via the task manager and rebooting (occasionally one or other would fix it but usually both).
Recently we had a speed issue which was diagnoised and fixed by the ISP. It even sped up normal speedtest results from high 95's to more often over 100.
Today I was back to half speed (roughly). Did the usual stopping everything and rebooting and I was back over 100. Checked my wife's machine, and this time hers was also slow.
She had problems with the last lovely major windows update, and had to do a clean install of Windows 10. Until then her system was an upgrade from Windows 8, and did not have these slowdowns (apart from the one our ISP fixed when the connection speed did have issues).
So this is the first time we've both had speed issues apart from the general issue our ISP fixed.
My question is: does the fact that this issue now affects my wife's system which did not apply with her Win 10 upgraded over Win 8 suggest anything?