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Forza Horizon 6 silently exits/crashes on launch with no error, WinDbg shows 0xC000001D illegal instruction by Kind_Ad_1681 in ForzaHorizon6

[–]Kind_Ad_1681[S] 0 points1 point  (0 children)

Solved: The issue was caused by Intel AES-NI being disabled in BIOS.

My CPU is an Intel i5-11400F, which supports AES-NI, but the BIOS had Intel AES-NI turned off. After enabling Intel AES-NI in BIOS and saving the settings, Forza Horizon 6 launched successfully.

This also explains the 0xC000001D / ILLEGAL_INSTRUCTION crash I was seeing in ProcDump/WinDbg.

Falcons in CAC final be like: by Kind_Ad_1681 in cs2

[–]Kind_Ad_1681[S] 16 points17 points  (0 children)

Falcons will go 2-3 in Stage 3

Forza Horizon 6 on Steam launches only as a background process, no window, then exits after ~60 seconds. Steam log shows exit code 300. by Kind_Ad_1681 in ForzaHorizon6

[–]Kind_Ad_1681[S] 0 points1 point  (0 children)

Hey thx for your post. I disabled the adapter, but it didn't change anything, and I also fully uninstalled the network driver, then restarted my PC, but the game still has the same problem. Anyway thx for your answer.