It was my fault and I don't know how to fix it
I wanted to experiment with my Wii and downgraded from 4.3E to 4.0E using DopMii.. I used "IOS250" as an installer and it worked.. after that I upgraded it back to 4.3E with the same method. However, I did notice that it now takes a while to start a Channel. Not only that, it freezes whenever I try to access my Wii save data on the settings. I get stuck when I open the address book when it unknowingly disappears... Hell, even turning off the Wii would take forever..!!
Can somebody help me with this..???