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Home / office-tools / Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Fix Git Push Rejected Non-Fast-Forward Error-Windows Server Activation Error 0xc004f074: Fixes and Checks

Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Fix Git Push Rejected Non-Fast-Forward Error-Windows Server Activation Error 0xc004f074: Fixes and Checks

Updated 2026-06-13 15:48:46office-tools
Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Fix Git Push Rejected Non-Fast-Forward Error-Windows Server Activation Error 0xc004f074: Fixes and Checks
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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