If you have really been using Ubuntu for 8 years then it seems
really strange to try using this thread to contact "officials". I'm
sure you would have found better ways over the years.
seems strange that the 1st thing you tried was installing Windows!
Freshly installed Windows systems often need a lot of extra programs to
be installed and then a lot of updats&reboot cycles. Even newly
bought Windows machines often need it and need their "teething troubles"
sorted too. I think most people with even just 1 years experience of
using any Gnu&Linux distro would have simply tried a different
version of Ubuntu and/or another distro or 2 (such as Mint).