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openclaw - 💡(How to fix) Fix Bug: Windows heartbeat cmd window not hidden - 'findstr /I /C:"Running"' stays visible

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Root Cause

The temporary restart script uses findstr /I /C:"Running" without start /min or output redirection, causing a persistent visible window.

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Bug Description

On Windows, the OpenClaw Gateway heartbeat mechanism spawns a visible cmd.exe window that runs findstr /I /C:"Running" to check scheduled task status. The window stays open with a black screen and the command visible in the title bar.

Reproduction

  1. Run OpenClaw Gateway on Windows
  2. Wait for the heartbeat mechanism to trigger
  3. A black cmd window appears with title findstr /I /C:"Running"

Evidence

  • Process chain: node.exe (Gateway, PID 2876) -> cmd.exe (PID 3616) -> findstr.exe (PID 7464)
  • Script: openclaw-schtasks-restart-*.cmd (in AppData\Local\Temp\openclaw\)
  • Screenshot: Attached

Expected Behavior

The heartbeat check should run silently (no visible window).

OpenClaw Version

  • Version: 2026.5.18 (50a2481)
  • Platform: Windows 11
  • Shell: PowerShell

Root Cause Analysis

The temporary restart script uses findstr /I /C:"Running" without start /min or output redirection, causing a persistent visible window.

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openclaw - 💡(How to fix) Fix Bug: Windows heartbeat cmd window not hidden - 'findstr /I /C:"Running"' stays visible