Cpu?

[jeanijay]

High CPU usage? message, should I take any action?

[ivor4781]

post this in technology

[Old_Geezer]

Yes, close down what you are not using or suffer a slowdown.

Check you have enough memory too in case the CPU is doing a lot of swopping around of data. And disk free space.

[Old_Geezer]

Oh and check there are no nasties running using up your resources. Try Malwarebytes for starters.