@songdogtech: :”time to time” means Adv. 1. from time to time – now and then or here and there; “he was arrogant and occasionally callous”; “open areas are only occasionally interrupted by clumps of trees”; “they visit New York on occasion”; “now and again she would take her favorite book from the shelf and read to us”; “as we drove along, the beautiful scenery now and then attracted his attention”
As in not always but has occurred intermittently. I can see that diagnosing the source of the common problem can not be identified solely using my comment however as a body of general information it contributes to the group in identifying these different scenarios in which it happens. I do 100% agree we need a new thread to establish more information to narrow down the search.