Did you have anything running with P25? A bridge perhaps?

On 3/29/21 9:24 PM, Tony Langdon wrote:

On 30/3/21 12:37 am, Steve N4IRS wrote:

Yes, you can stop QB abd keep QB from starting at boot. I doubt you
CPU going to 100% was caused by QB.

I have seen it cause high CPU usage - not necessarily 100%, but at least
50%, confirmed by top.  In my case, disabling QB was the solution.