The win2000.inf driver for ByteBlaster™ II programming cable is removed in Quartus® II version 10.0. If you are using Quartus II version 10.0, you need to use the BBLPT.exe driver which can be found in ‘<Quartus II Installation Path>\bin’ folder for ByteBlaster II programming driver installation. Refer to the following ByteBlaster II driver installation guidelines:
ByteBlaster II, ByteBlasterMV & ByteBlaster Driver for Windows XP
ByteBlaster II, ByteBlasterMV, and ByteBlaster Driver for Windows Vista 32-Bit