Windows 10 Pro, version 1511, 10586 update fails multiple times

Computer Type: PC/Desktop
System Manufacturer/Model Number: Custom Build - The Beast
OS: Windows 11 Pro (x64) 23H2 Build 22631.3296
CPU: Intel i9-14900KS @5.9MHz
Motherboard: ASUS ROG Maximus Z790 Apex
Memory: G.Skill DDR5 - 7800 (3900MHz) 32GB
Graphics Card: ASUS ROG Strix GeForce RTX 4090 OC Edition
Sound Card: Integrated ROG SupremeFX
Monitor(s) Displays: ASUS ROG Swift PG279Q 27 inch
Screen Resolution: 1920x1080@165Hz
Keyboard: Razer Huntsman Elite
Mouse: Logitech MX Master 3 Wireless
PSU: EVGA SuperNOVA 1200 P2 80+ PLATINUM
Case: Phanteks Enthoo Primo Special Edition
Cooling: Corsair Hydro Series H150i PRO RGB,360mm
Hard Drives: Samsung 980 PRO 500GB - M.2 NVMe, Samsung 970 EVO SSD 1TB - M.2 NVMe, Samsung SSD 860 EVO 1TB, Crucial 1TB MX500 2.5" SSD
Internet Speed: 950 / 40
Browser: FireFox, and Chrome
Antivirus: MalwareBytes Pro / Windows Defender/SuperAntiSpyware Pro
Other Info: Running Windows 11 Pro on both my computers. Networked together. Netgear Nighthawk X6S AC4000 Model: R8000P. Corsair Commander Pro

Computer Type: PC/Desktop
System Manufacturer/Model Number: Custom Build
OS: Windows 11 Pro (x64) 23H2 Build 22631.2792
CPU: Intel Core i9-9900KS @5.1GHz
Motherboard: ASUS ROG Apex XI (Z370)
Memory: G.Skill DDR4 F4-3200C14D - 32GBGTZSW
Graphics Card: EVGA Geforce GTX 1080 Ti FTW3
Sound Card: Realtek High Definition Audio
Monitor(s) Displays: 55" LG 4K Ultra HD TV
Screen Resolution: 1920x1080@60Hz
Keyboard: Logitech K350 Wireless
Mouse: Logitech Wireless Mouse
PSU: EVGA SuperNOVA 850 G2, 80+ GOLD 850W
Case: Phanteks Enthoo Pro Full Tower Chassis
Cooling: Corsair H150i PRO RGB AIO Liquid CPU Cooler,360mm
Hard Drives: Samsung 960 PRO M.2 512GB, Samsung SSD 850 EVO 1TB, Crucial 1TB MX500 2.5" Internal SATA SSD
Internet Speed: 400 / 20
Browser: FireFox / Chrome
Antivirus: MalwareBytes Pro / Windows Defender / SAS Pro