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Home / developer-tools / How to Fix Git Push Rejected: Non-Fast-Forward Merge - How to Resolve 'git remote origin already exists' on GitLab-Windows Update Error 0x80070080: Clear Cache and Fix Permissions

How to Fix Git Push Rejected: Non-Fast-Forward Merge - How to Resolve 'git remote origin already exists' on GitLab-Windows Update Error 0x80070080: Clear Cache and Fix Permissions

Updated 2026-07-28 04:06:40developer-tools
How to Fix Git Push Rejected: Non-Fast-Forward Merge - How to Resolve 'git remote origin already exists' on GitLab-Windows Update Error 0x80070080: Clear Cache and Fix Permissions
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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