Unable to load DLL 'SDE_API_x64.dll Error

This error has popped up a few times with users installing TBC v5.40.

The issue is caused by a missing DLL file in the Windows System 32 folder.

The fix is to download and install the .exe files found in the link below

Click Here for the link

More detail is provided at the above link. Download and install the files


For some PC’s the x64 version alone fixed the problem, on other computers they have had tio run both files to cure the issue.