chinese dwg shows ???? in reference dialog, will not re-attach

We have many autocad drawings from Chinese clients, their file names display correctly in Windows Explorer (correct Chinese font and characters), but when we reference these drawings into our dgn files, the dialog box shows ???? where the Chinese characters are, and the files do not reference into the dgn, with the error "...reference file cannot be found..."

When we OPEN the dwg files directly from Windows Explorer (using Microstation V8i 08.11.09.459) they work perfectly.

We have installed all the appropriate language packs in Windows 10.

We have correctly installed the input settings and regional language settings.

All other Chinese font and character issues work perfectly well in the operating system... just the reference dialog box in MicroStation is having this issue.

Any fixes?  It is driving us nuts.