Problem specifically is as such...
Sometimes I can get on line, sometimes not.
Completely sporadic and unpredictable--one minute I am ripping through pages and sites and literally the next attempt to navigate away is met with standard Windows error page "CANNOT CONNECT" etc...No page will work..NONE.
This stoppage could last 10 seconds or 10 minutes and anywhere in between.
I have NEVER seen this before and I have been at this a long time.