Descobri que as atualizações de IOS que fiz, usando o NUS Downloader, para instalar o Netflix no Wii acabou atrapalhando o funcionamento dos jogos executados via WiiFlow.
O sysCheck gerou o seguinte log do meu sistema:
sysCheck GX v1.0.0 by Erik Spyder sysCheck GX is running under IOS58 (rev 6175). Console ID: 130440890. Region: NTSC-U. Hollywood v0x21. Boot2 v4. System Menu v449 (4.1U). BC v2. MIOS v5. Blocks the GameCube Action Replay. Found 79 titles. Found 46 IOS and 3 IOS Stubs on this console. Priiloader is installed. IOS 3 (rev 65280): Stub IOS 4 (rev 65280): Stub IOS 9 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 11 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 12 (rev 65535): Trucha Bug IOS 13 (rev 65535): Trucha Bug IOS 14 (rev 65535): Trucha Bug IOS 15 (rev 257): FLASH Access IOS 16 (rev 257): Trucha Bug, ES_Identify, FLASH Access, NAND Access IOS 17 (rev 65535): Trucha Bug IOS 20 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 21 (rev 65535): Trucha Bug IOS 22 (rev 65535): Trucha Bug IOS 28 (rev 65535): Trucha Bug IOS 31 (rev 65535): Trucha Bug IOS 33 (rev 65535): Trucha Bug IOS 34 (rev 3091) IOS 35 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 36 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 37 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 38 (rev 3610) IOS 40 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 41 (rev 3348) IOS 43 (rev 3348) IOS 45 (rev 3348) IOS 46 (rev 3350) IOS 48 (rev 3867) IOS 50 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 51 (rev 4864): Stub IOS 52 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 53 (rev 65535): Trucha Bug IOS 55 (rev 65535): Trucha Bug IOS 56 (rev 5662) IOS 58 (rev 6175): USB 2.0 IOS 60 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS 61 (rev 5662) IOS 70 (rev 65535): Trucha Bug, ES_Identify, NAND Access IOS201 (rev 3094): Trucha Bug, ES_Identify, NAND Access IOS202 (rev 65535): Trucha Bug, ES_Identify, NAND Access, USB 2.0 IOS222 (rev 65535): Trucha Bug, ES_Identify, NAND Access, USB 2.0 IOS224 (rev 65535): Trucha Bug, ES_Identify, NAND Access, USB 2.0 IOS245 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS246 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS247 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS248 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS249 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS250 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS251 (rev 21008): Trucha Bug, ES_Identify, NAND Access IOS254 (rev 65281) Report generated on 2013-01-12.
Vou ter que pesquisar mais para descobrir quais IOS estão atrapalhando o sistema.