openclaw - 💡(How to fix) Fix Slow startup on Windows (~39s before ready) with long silent gap before plugin registration [1 participants]

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openclaw/openclaw#68656Fetched 2026-04-19 15:09:02
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OpenClaw startup is unexpectedly slow on Windows, and this has not improved across several versions.

Startup takes about 38.8 seconds before the gateway becomes ready. Most of the delay happens in a large silent gap after "starting..." and before the first plugin command is registered. Other Claw runtimes on the same machine do not show this kind of startup delay.

Root Cause

OpenClaw startup is unexpectedly slow on Windows, and this has not improved across several versions.

Startup takes about 38.8 seconds before the gateway becomes ready. Most of the delay happens in a large silent gap after "starting..." and before the first plugin command is registered. Other Claw runtimes on the same machine do not show this kind of startup delay.

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Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

OpenClaw startup is unexpectedly slow on Windows, and this has not improved across several versions.

Startup takes about 38.8 seconds before the gateway becomes ready. Most of the delay happens in a large silent gap after "starting..." and before the first plugin command is registered. Other Claw runtimes on the same machine do not show this kind of startup delay.

Steps to reproduce

  1. Install OpenClaw 2026.4.15 on Windows
  2. Run "openclaw gateway run"
  3. Observe ~39 seconds of silence before "ready" appears

Expected behavior

Startup should be much faster (under 10s), or at minimum provide detailed logs during the slow phase so users can understand what is happening.

Actual behavior

The process appears to hang silently for ~37.5 seconds between "[gateway] starting..." and the first "Registered plugin command..." log line. There is zero log output during this gap.

Startup log: 2026-04-19T01:05:49.592+08:00 [gateway] loading configuration… 2026-04-19T01:05:50.895+08:00 [gateway] force: killed pid 1172 on port 18789 2026-04-19T01:05:50.904+08:00 [gateway] resolving authentication… 2026-04-19T01:05:50.960+08:00 [gateway] starting... 2026-04-19T01:06:28.489+08:00 Registered plugin command: /pair (plugin: device-pair) 2026-04-19T01:06:28.524+08:00 Registered plugin command: /phone (plugin: phone-control) 2026-04-19T01:06:28.577+08:00 Registered plugin command: /bot-logs (plugin: qqbot) 2026-04-19T01:06:28.615+08:00 Registered plugin command: /voice (plugin: talk-voice) 2026-04-19T01:06:28.633+08:00 [gateway] starting HTTP server... 2026-04-19T01:06:28.719+08:00 bonjour: starting (hostname=openclaw, instance="SKY-20191026YJJ (OpenClaw)", gatewayPort=18789, minimal=true) 2026-04-19T01:06:28.756+08:00 [health-monitor] started (interval: 300s, startup-grace: 60s, channel-connect-grace: 120s) 2026-04-19T01:06:29.802+08:00 [gateway] agent model: glm/GLM-5.1 2026-04-19T01:06:29.804+08:00 [gateway] ready (6 plugins: acpx, browser, device-pair, phone-control, qqbot, talk-voice; 38.8s)

OpenClaw version

2026.4.15 (041266a)

Operating system

Windows Server

Install method

npm global

Model

glm/GLM-5.1

Provider / routing chain

openclaw -> DawnLoadAI proxy -> GLM-5.1

Additional provider/model setup details

Default config, no custom modifications to startup or plugin loading.

Logs, screenshots, and evidence

Impact and severity

Affected: All Windows users Severity: Medium (not blocking but very annoying) Frequency: 100% of startups This has been slow for several releases now with no improvement.

Additional information

Add startup profiling/logging to identify where the ~37s is spent. Consider lazy-loading plugins or parallelizing initialization.

extent analysis

TL;DR

Enable detailed logging or profiling during OpenClaw startup to identify the cause of the 37-second delay.

Guidance

  • Review the startup log for any patterns or clues that might indicate what is happening during the silent gap.
  • Consider adding logging statements or using a profiling tool to measure where the time is being spent during startup.
  • Investigate the possibility of lazy-loading plugins or parallelizing initialization to improve startup performance.
  • Check if other Claw runtimes on the same machine have similar startup delays or if this is specific to OpenClaw.

Example

No code snippet is provided as the issue does not contain sufficient information to create a relevant example.

Notes

The root cause of the delay is currently unknown, and additional logging or profiling is needed to determine where the time is being spent. The issue is not blocking but is annoying and affects all Windows users.

Recommendation

Apply workaround: Enable detailed logging or profiling during OpenClaw startup to identify the cause of the delay and potentially implement lazy-loading or parallelization of plugins to improve performance.

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FAQ

Expected behavior

Startup should be much faster (under 10s), or at minimum provide detailed logs during the slow phase so users can understand what is happening.

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openclaw - 💡(How to fix) Fix Slow startup on Windows (~39s before ready) with long silent gap before plugin registration [1 participants]