# In Windows Developer Command Prompt dxc -enable-debug-layer set D3D12_DEBUG_LAYER_ENABLE=1
The error typically occurs in modern Windows gaming environments, most notably with titles like or Black Ops 6 cdx error 0x3 1 exclusive
Paste them into the game's main installation directory (where the "Replace the files in the destination" when prompted. 3. Verify Game Files cdx error 0x3 1 exclusive
Overlays from Discord, GeForce Experience, or other software can cause lock conflicts. Try disabling these overlays to see if the error persists. cdx error 0x3 1 exclusive
This specific error triggers when a database engine tries to perform structural index operations—such as rebuilding, altering, or executing complex queries against a Compound Index File ( .cdx )—without having exclusive administrative lock rights over the corresponding table ( .dbf ). Anatomy of the Error Code