Mac Pro big sur 11.6 why the hell I did update ... lagging freezing wheeling ... I had some issues about that back few months ago ..; and seemed to have resolved (some actions from my part) and BIG SUR update ... was fine until last 11.5 ... but now back again! And I ma experiencing all lagging freezing wheeling ... and suddenly comes back to life ... something is looping seriously somewhere before it decides it is fine! what is it? Heeellllppp! MacBook Pro   Model Identifier: MacBookPro14,3   Processor Name: Quad-Core Intel Core i7   Processor Speed: 3.1 GHz   Number of Processors: 1   Total Number of Cores: 4   L2 Cache (per Core): 256 KB   L3 Cache: 8 MB   Hyper-Threading Technology: Enabled   Memory: 16 GB   System Firmware Version: 429.140.8.0.0   SMC Version (system): 2.45f5