Windows 11 24H2 has received yet another hardware requirement for users with modded Windows 11 installs to watch out for. Bob Pony on X (Twitter) discovered that the SSE 4.2 instruction set is now required to run Windows 11 24H2, starting with build 26080. If the instruction is lacking, the OS won't boot.
Source: Microsoft blocks some PCs from Windows 11 24H2 — CPU must support SSE4.2 or the OS will not boot
Source: Microsoft blocks some PCs from Windows 11 24H2 — CPU must support SSE4.2 or the OS will not boot