The answer is yes
Is 4.3 the latest wii update?
Why did you start 2 threads? And the answer could of been found with a simple search. Your first post should go here. Then you will be greeted with lots of helpful info.
[spoiler=Click here for useful links]Softmod any Wii guide Yes ANY Wii!!!
FAT32 Hard Drives - Formatting, Loading, Ripping, Playing (recommended USB setup)
Ultimate List of Troublesome Games & Solutions
The Noob's Guide To Getting Help
How to Run & Post a System Check
Blackscreens & Freezes - Causes & Solutions[/spoiler]