From a command prompt:
1. Change into the root directory for the problematic folder.
2. Display drive listing with the /x option (show 8.3 name): Dir /x
3. Re-name folder with the 8.3 name: Rename badfolder~1 bad
4. Delete the renamed folder
E:\Scenic Byways>DIR /X Volume in drive E is ServerE Volume Serial Number is
Directory of E:\Common\Scenic Byways
11/14/2012 03:18 PM <DIR> . 11/14/2012 03:18 PM <DIR> .. 06/13/2001 02:54 PM 40,960 renamer.exe
07/27/2012 12:18 AM <DIR> SCENIC~1 ScenicBywaysLVBlvdSo.
1 File(s) 40,960 bytes
3 Dir(s) 5,275,316,224 bytes free
E:\Scenic Byways>DEL SCENIC~1 E:\Scenic Byways\SCENIC~1\*, Are you sure (Y/N)? Y
Delete returns no error, but the folder remains untouched
E:\Scenic Byways>RENAME SCENIC~1 SEN