After renewing my Norton 365 subscription I received a free trial for Norton driver updater. I have not had any issues with my Lenovo Yoga laptop previously but after running the scan it identified multiple drivers that needed updating. So I allowed it to update the drivers. Boy did I regret doing that. Afterwards I had no audio input or output, no sounds and my Microsoft core isolation was not longer switched on.
It is very concerning that a product from Norton can cause these issues and should be removed from the market as it is not safe and makes the performance of the laptops worse as well as weakening security. Exactly the opposite of what is advertised.
After raising the issue with customer support. The first technician was very slow and unable to resolve the issue after 40 minutes. Then his supervisor took over and was able to fix the sound issue within 10 minutes. However the memory integrity /core isolation is still not working which is a concern.