: Antivirus software, including Windows Defender, frequently flags these DLL files as "false positives" and quarantines or deletes them.

The achievements were working, the loader was firing, and Edward Kenway was ready to sail. Elias grabbed his headset, finally ready to bring chaos to the Caribbean. How to Fix uplay_r1_loader.dll r1_loader64.dll If you are encountering this error with Assassin's Creed

But again – none of these are official or safe.

If the issue is related to deeper Windows system file corruption, use the built-in SFC tool.

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