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Fix Git Push Rejected: Non-Fast-Forward vs Fast-Forward - How to Troubleshoot Windows Activation CPU Spike with Clean Boot-Resolve SSH 504 Gateway Timeout in Windows Terminal

Updated 2026-06-13 19:30:39windows-fixes
Fix Git Push Rejected: Non-Fast-Forward vs Fast-Forward - How to Troubleshoot Windows Activation CPU Spike with Clean Boot-Resolve SSH 504 Gateway Timeout in Windows Terminal
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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