Start button not working

I can not explain what has happened. I held down F8 while rebooting and found the start button now works and the other buttons that would not work are now working. Also it does not take forever to load. What is more it all works as it should this morning after shutting down last night. Whatever, I am opting out of the insider programme and have requested updates until the next public release. This is has been a fault too many for me.