[Bug] Segmentation Fault on Windows with Bun Runtime

Resolved 💬 3 comments Opened Feb 25, 2026 by swa34 Closed Mar 1, 2026

Bug Description
IT HAS BECOME UNUSABLE ON WINDOWS IF ITS NOT FIXED I WILL BE CANCLEING MY MAX !! esc to interrupt ============================================================
Bun v1.3.10 (1423d3c8) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2
Args: "C:\Users\sa69508\.local\bin\claude.exe"
Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) abort_signal(28) fetch(67) jsc spawn(70) standalone_executable process_dlopen(2) yaml_parse(53)
Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:path/posix" "node:path/win32" "node:perf_hooks" "node:process" "node:stream" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:zlib" "node:worker_threads" "undici" "ws"
Elapsed: 224275ms | User: 9093ms | Sys: 3843ms
RSS: 0.95GB | Peak: 1.51GB | Commit: 1.32GB | Faults: 725924 | Machine: 68.39GB

panic(main thread): Segmentation fault at address 0xFFFFFFFFFFFFFFFF
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

https://bun.report/1.3.10/e_11423d3cmgkgEuhogCgn92Wk+n1tB4kz/pC41j7pC6kh7pConrqXo8r0U23wN+o5gUmznlOqn4kOwkkqvDCYKERNEL32.DLLut0LCSntdll.dll4gijBA2DD

PS C:\Users\sa69508\A-SC\AI-Form>

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 2.1.56
  • Feedback ID: 769600f4-2eb8-4d35-b0de-1a65f348215a

Errors

[{"error":"Error: LSP server plugin:typescript-lsp:typescript failed to start: ENOENT: no such file or directory, uv_spawn 'typescript-language-server'\n    at start (B:/~BUN/root/claude.exe:2652:22111)\n    at async E (B:/~BUN/root/claude.exe:2652:24421)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T14:31:39.961Z"},{"error":"Error: ENOENT: no such file or directory, uv_spawn 'typescript-language-server'\n    at spawn (unknown)\n    at spawn (node:child_process:679:35)\n    at spawn (node:child_process:14:39)\n    at start (B:/~BUN/root/claude.exe:2652:20641)\n    at E (B:/~BUN/root/claude.exe:2652:24421)\n    at L (B:/~BUN/root/claude.exe:2652:32542)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T14:31:39.961Z"},{"error":"Error: Failed to start LSP server plugin:typescript-lsp:typescript: ENOENT: no such file or directory, uv_spawn 'typescript-language-server'\n    at <anonymous> (B:/~BUN/root/claude.exe:2652:32564)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-02-25T14:31:39.961Z"}]

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