The problem: on whichever monitor is primary, the clock text is displayed normally with normal width font. However, on whichever monitors are not-primary, the clock text is displayed with a thin typeface.
The thin typeface is just a bit tough to read, particularly on the farthest corners of the...
It may not affect all users, I think. I have Defender's real-time protection enabled and I have the "best" state, apparently, with none of the performance-degrading counters in use.
Not Used - 0x000: The three fixed function counters are stopped. None of the counters are presently being used...
So this is interesting. Many benchmarks have shown a significant reduction due to Microsoft Defender, but there was little to no insight into why and what benefits the performance hit means.
I'd be curious for independent malware testers to review what security improvement (hopefully) is gained...