Are you using the latest version of CFG? Old versions don't support these new IOSes fully.
Yeah, I'm using CFG Ver65. I'm replacing the CFG app folder on my SD Card just to be 100% sure. I really appreciate the advice, thank you.
Edit: Yup, replaced it and still no luck...
Here's a Syscheck log, if any help.
CODEsysCheck v2.0.1 by Double_A
...runs on IOS58 (rev 5918).
Region: PAL
System Menu 4.2E (v482)
Hollywood v0x11
Console ID: 38896986
Boot2 v2
Found 97 titles.
Found 33 IOS on this console. 0 of them are stub.
IOS4 (rev 3): Trucha Bug ES Identify Flash Access NAND Access
IOS9 (rev 778): No Patches
IOS11 (rev 10): Trucha Bug ES Identify Flash Access NAND Access
IOS12 (rev 269): No Patches
IOS13 (rev 273): No Patches
IOS14 (rev 520): No Patches
IOS15 (rev 257): Trucha Bug ES Identify Flash Access NAND Access
IOS17 (rev 775): No Patches
IOS20 (rev 12): Trucha Bug ES Identify Flash Access NAND Access
IOS21 (rev 782): No Patches
IOS22 (rev 1037): No Patches
IOS28 (rev 1550): No Patches
IOS30 (rev 2576): ES Identify Flash Access
IOS31 (rev 3349): No Patches
IOS33 (rev 3091): No Patches
IOS34 (rev 3348): No Patches
IOS35 (rev 3349): No Patches
IOS36 (rev 3351): Trucha Bug ES Identify NAND Access
IOS37 (rev 3869): No Patches
IOS38 (rev 3867): No Patches
IOS53 (rev 5406): No Patches
IOS55 (rev 5406): No Patches
IOS56 (rev 5405): No Patches
IOS57 (rev 5661): No Patches
IOS58 (rev 5918): No Patches
IOS61 (rev 5405): No Patches
IOS70 (rev 6687): Trucha Bug NAND Access
IOS202 (rev 4): Trucha Bug ES Identify NAND Access USB 2.0
IOS222 (rev 4): Trucha Bug ES Identify NAND Access USB 2.0
IOS223 (rev 4): Trucha Bug ES Identify NAND Access USB 2.0
IOS249 (rev 21): Trucha Bug ES Identify NAND Access
IOS250 (rev 65535): Trucha Bug ES Identify NAND Access
IOS254 (rev 65281): BootMii
BC v4
MIOS v5
Report generated on 2011/02/12.