SuperwhisperSSuperwhisper
1h ago

Windows 10 Crash on Startup - Illegal Instruction (0xC000001D) on Intel Xeon E5-2670 v2

Superwhisper Version:1.4.13 (Windows x64)Environment:Windows 10 Pro 22H2 (Build 19045)Intel Xeon E5-2670 v2 (Ivy Bridge-EP)64-bitProblem:Superwhisper crashes immediately on startup. No UI is displayed.Investigation performed:Clean uninstall and reinstallVisual C++ Redistributables installedWebView2 installedProcess Monitor trace collectedWinDbg analysis performedCrash details:Exception Code:0xC000001D (Illegal Instruction)WinDbg stack:Superwhisper!onig_get_regex_by_callout_argsSuperwhisper!onigenc_strdupFaulting instruction:shlx rax,r9,raxAnalysis:The SHLX instruction requires BMI2 CPU support.Intel Xeon E5-2670 v2 (Ivy Bridge) does not support BMI2.Conclusion:The Windows build appears to execute a BMI2 instruction without checking CPU feature availability, causing an immediate crash on CPUs without BMI2 support.Can you confirm whether BMI2 is a minimum requirement for the Windows build, or if this is an unintended compatibility issue?
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