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Fix systemd service exit code 203 (exec format error) - Windows Update Rate Limit: Practical Fixes-Windows Update 502 Bad Gateway DNS Fix

Updated 2026-06-13 12:48:00
Fix systemd service exit code 203 (exec format error) - Windows Update Rate Limit: Practical Fixes-Windows Update 502 Bad Gateway DNS Fix
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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