Download CB2_BB_Wad-Manager-1.4.zip and extract to a formatted sd-card
Downlaod IOS60-patched.zip and extract to sd:\wad
Download 4.1U-RVL-WiiSystemmenu-v449.wad and extract to sd:\wad
Download Preloader and extract to sd:\apps\preloader\
Download 4.1u-hacks.zip and extract to sd:\
Now start hbc and load wadmanager
Install ios60patched first
Install system menu 4.1u
Start hbc, install preloader
Hold reset and boot
Enable desired system menu hack, disk update block is a good one, only the ones you want.
Reboot and test, all should be good.
Now try usb loading, much better.
If you don't want to do the above you can wait awhile until a new game is released with a 4.2u update.