[Bug] Sidecar intermittent ACCESS_VIOLATION (0xC0000005) crashes every ~2 days on Windows

[abuodeh-arch]

Description

Description

The OpenCode Desktop sidecar process crashes with ACCESS_VIOLATION (exit code 0xC0000005) approximately every 2 days. The app was upgraded from v1.17.6 to v1.17.8 on June 18, but crashes continue.

System

• OS: Windows 11
• OpenCode Desktop:

opencode-crash-dumps.zip

• Database: SQLite, ~1.4 GB, 871 sessions

Crash Timeline

Date	Local Time	Exit Code	Dump File
June 15	~06:14	0xC0000005	74d12b61-...
June 17	~09:34	0xC0000005	abd124f6-...
June 19	~07:22	0xC0000005	f4f92734-...
June 20	~12:37	0xC0000005	2764c863-...

Log Evidence

From utility.log:

Plugins

No response

OpenCode version

v1.17.8

Steps to reproduce

No response

Screenshot and/or share link

No response

Operating System

Windows 11

Terminal

No response

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• Sidecar crashes repeatedly on Windows (exit code 1 + ACCESS_VIOLATION) - v1.15.3/v1.15.4 #29599: Sidecar crashes repeatedly on Windows with ACCESS_VIOLATION (0xC0000005) — same error code and platform
• Desktop: sidecar dies silently on Windows, renderer loses connection (event stream error) #30597: Desktop sidecar dies silently on Windows, renderer loses connection — related sidecar crash on Windows
• Desktop sidecar crash: STATUS_STACK_BUFFER_OVERRUN (0xC0000409 / exit 3221226505) from @parcel/watcher std::regex_match on long paths (upstream parcel-bundler/watcher#250) #32443: Desktop sidecar crash STATUS_STACK_BUFFER_OVERRUN on Windows — related sidecar crash on Windows

If your issue is distinct from the above (e.g., different root cause or reproduction pattern), please add details clarifying the difference.