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Fix VS Code Git Authentication Failed Keychain Error - Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories-Troubleshooting Chrome Sync with Multiple Profiles

Updated 2026-07-28 06:07:42office-tools

Fix VS Code Git Authentication Failed Keychain Error - Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories-Troubleshooting Chrome Sync with Multiple Profiles

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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