4-0 so it doesn't look possible to use the instructions to roll-back to. Here ( ) there are instructions for rolling back the Anti-Malware, but the folder on my 9575 only has. 7 and the Exclusions display as expected on these. On the other 2, Dell 7390 (XPS 13' 2i1) and homebuilt Desktop both 20H2 'fully updated', all the versions are the same EXCEPT that the Anti-Malware hasn't updated from. On my Dell 9575 (15' XPS 2i1) where the exclusions don't display the Anti-Malware is. All are on the latest 20H2 and the latest Engine (0.56), Anti-Virus (1.327.214.0) and Anti-Spyware (1.327.214.0) and Windows Updates are 'up to date'