Use the following guide to reinstall system menu , it will overwrite all cioscorp files. If you still want cioscorp just update the hombrew channel before installing cioscorp again.
<!--quoteo(post=1867519:date=Apr 1 2009, 01:38 PM:name=assassda)--><div class='quotetop'>QUOTE(assassda @ Apr 1 2009, 01:38 PM) <a href="index.php?act=findpost&pid=1867519"><{POST_SNAPBACK}></a></div><div class='quotemain'><!--quotec--><!--sizeo:5--><span style="font-size:18pt;line-height:100%"><!--/sizeo--><!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->This is the ULTIMATE Tutorial for everything you need for System Menu 4.0<!--fontc--></span><!--/fontc--><!--sizec--></span><!--/sizec-->
<!--coloro:red--><span style="color:red"><!--/coloro--><!--sizeo:4--><span style="font-size:14pt;line-height:100%"><!--/sizeo-->for EUR and USA Wiis only not JAP or KOREAN
<b>There are two methods described in this guide. Online and completely Offline installations. The Online installation is the safer method. They should both work on ANY Wii besides LU64+. You only need to use one guide, they both do the same thing. Please read the entire thread including FAQ before asking a question.</b><!--sizec--></span><!--/sizec--><!--colorc--></span><!--/colorc-->
<!--sizeo:4--><span style="font-size:14pt;line-height:100%"><!--/sizeo--><b>Online Downgrade/Upgrade</b><!--sizec--></span><!--/sizec-->
Prerequisites:
--SD card
--cIOS or vulnerable IOS36
--Wifi Connection (Ethernet doesnt work)
--Unplug any Gamecube Memory Cards, Gamecube Controllers, USB Devices
<!--sizeo:3--><span style="font-size:12pt;line-height:100%"><!--/sizeo--><b>--Read the FAQ and be prepared with a general knowledge of Wii Homebrew</b><!--sizec--></span><!--/sizec-->
<a href="http://www.mediafire.com/?xzdzrmmnoj0" target="_blank">http://www.mediafire.com/?xzdzrmmnoj0</a> (07-09-09)
1) Format your SD card to FAT16. Copy the contents inside the sd folder to the root of your SD card
2) Insert the SD card in the Wii and go to Data Management>Channels>SD Card press YES on the dialog box that asks to load boot.dol
3) Install the Homebrew Channel and install BootMii as boot2 if possible or as an IOS if boot2 is not available.
4) Launch Bootmii (if you installed to boot2 just reset the system if you installed to IOS go to the HBC and press the Home button)
5) Open the config menu (gears) and choose backup NAND (green arrow) wait for it to finish and restart the Wii
6) Install cIOS36 rev10 to IOS249 using Network install mode
7) Downgrade system IOS files using IOS Downgrader
8) Downgrade to 3.2 using cIOS Downgrader even if you are already on 3.2 run this
9) Install preloader to prevent bricks. On the install screen press 1
10) Run the 4.0 Updater
11) Run the IOS60 updater
say NO to install IOS61
say YES to install IOS60
say YES to patch IOS60
say NO to install the shop channel
12) You must now hold reset while powering on to boot to the homebrew channel and reinstall preloader
13) Set your preloader settings. In preloader hacks enable "Skip disc update check"
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<!--sizeo:4--><span style="font-size:14pt;line-height:100%"><!--/sizeo--><b>Offline Downgrade/Upgrade</b><!--sizec--></span><!--/sizec-->
Prerequisites:
--SD card
--Unplug any Gamecube Memory Cards, Gamecube Controllers, USB Devices
<!--sizeo:3--><span style="font-size:12pt;line-height:100%"><!--/sizeo--><b>--Read the FAQ and be prepared with a general knowledge of Wii Homebrew</b><!--sizec--></span><!--/sizec-->
<a href="http://www.mediafire.com/?tm53unmfmny" target="_blank">http://www.mediafire.com/?tm53unmfmny</a> (07-09-2009)
<!--sizeo:2--><span style="font-size:10pt;line-height:100%"><!--/sizeo--><b><!--coloro:red--><span style="color:red"><!--/coloro-->This package contains instructions on how to acquire the necessary files from Nintendo to do an offline update
This package will work on ANY Wii! Virgin or Nintendo Official Updated without cios!!<!--colorc--></span><!--/colorc-->
</b><!--sizec--></span><!--/sizec-->
1) Extract the files somewhere on your hard drive such as C:\wii\ and run prepare.bat and choose your desired version
2) Check that the WAD files are correct with MooSFV. If any files are not correct run clean.bat and start over
3) Format your SD card to FAT16. Copy the contents inside the sd folder to the root of your SD card
4) Insert the SD card in the Wii and go to Data Management>Channels>SD Card press YES on the dialog box that asks to load boot.dol
5) Install the Homebrew Channel and install BootMii as boot2 if possible or as an IOS if boot2 is not available.
6) Launch Bootmii (if you installed to boot2 just reset the system if you installed to IOS go to the HBC and press the Home button)
7) Open the config menu (gears) and choose backup NAND (green arrow) wait for it to finish and restart the Wii
8) Load CMDVDX35.dol through the homebrew channel. Choose Downgrade IOS35. It might say network error, it might not. just ignore it and choose Exit
9) Run WAD-Manager_v1.4.dol. Choose IOS35 and install IOS35-64-v1040.wad then restart
10) If you do not have cIOS installed yet Run WAD-Manager_v1.4 choose IOS35 and install cios_fix.wad then restart
11) Run cIOS36_rev10-Installer and choose WAD Installation
12) Run WAD-Manager_v1.4 again. Choose IOS249 and install WADs 01-18. If WAD Manager freezes during installation just try again from the WAD it froze on.
13) While still in WAD Manager install SystemMenuv###.wad
14) It is highly recommended that you install preloader to prevent bricks. On the install screen press 1
15) Hold reset while powering on to access preloader and set preloader settings. In preloader hacks enable "Skip disc update check"
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<!--sizeo:4--><span style="font-size:14pt;line-height:100%"><!--/sizeo--><!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto--><!--coloro:green--><span style="color:green"><!--/coloro-->You can now use Backup Loaders and run Virtual Console and WiiWare from the SD Channel!<!--colorc--></span><!--/colorc--><!--fontc--></span><!--/fontc--><!--sizec--></span><!--/sizec-->
I recommend Backup Launcher NeoGamma for Wii Backups
<a href="http://www.gbatemp.net/index.php?showtopic=158884" target="_blank">http://www.gbatemp.net/index.php?showtopic=158884</a>
If you want Gamecube backups install the custom MIOS and use Gamecube Backup Launcher 0.2
<a href="http://gbatemp.net/index.php?showtopic=142535" target="_blank">http://gbatemp.net/index.php?showtopic=142535</a>
You can also now install a USB Loader. I reccomend USB Loader GX
<a href="http://gbatemp.net/index.php?showtopic=149922" target="_blank">http://gbatemp.net/index.php?showtopic=149922</a>
<!--sizeo:3--><span style="font-size:12pt;line-height:100%"><!--/sizeo--><b>If you want to load games from the disc channel you must install CIOSCORP
The following section applies to both Online and Offline installations.
<!--sizec--></span><!--/sizec--></b>
<!--coloro:red--><span style="color:red"><!--/coloro--><!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->NOTE: NO ASKING FOR LINKS TO CIOS WADS
This section has some risks and is OPTIONAL
if you follow instructions you will be fine.<!--fontc--></span><!--/fontc--><!--colorc--></span><!--/colorc-->
1) Put WAD Manager 1.3 on your sd card
<a href="http://www.teknoconsolas.tv/wanin/WAD-Manager_v1.3.zip" target="_blank">http://www.teknoconsolas.tv/wanin/WAD-Manager_v1.3.zip</a>
2) Install the CIOSCORP WADs
can be found in Softmii or MiiWii packages
3) Install CIOS60BF.wad
google "CIOS60HK.zip"
4) Your system menu will now say "System Files Corrupt" but dont worry! just hold reset and launch the Homebrew Channel and install Preloader 0.29 AGAIN
5) Enable update blocker in preloader. Hold RESET and power on. Change preloader options and hacks
<!--sizeo:5--><span style="font-size:18pt;line-height:100%"><!--/sizeo--><!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Frequently Asked Questions<!--fontc--></span><!--/fontc--><!--sizec--></span><!--/sizec-->
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->How do I fix Homebrew Channel going to a black screen?<!--fontc--></span><!--/fontc-->
reinstall it with bannerbomb
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->What if I cant install Bootmii? What if the NAND backup fails?<!--fontc--></span><!--/fontc-->
Chances are you will be fine, its just another security measure which I have never needed to use.
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Is my console BRICKED!?<!--fontc--></span><!--/fontc-->
If you have Bootmii boot2 or preloader then you are fine. Turn your Wii OFF to the RED light and then hold RESET and turn it on then load the HBC
If you have cIOS installed run cIOS Downgrader
If you dont have cIOS installed use the Offline Downgrade method
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Will this work with Softmii? MiiWii? old version of cIOS? etc<!--fontc--></span><!--/fontc-->
Theres no need to uninstall anything first. You can install CIOSCORP on 4.0 using this guide
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Will this work with Starfall? Preloader 0.28?<!--fontc--></span><!--/fontc-->
No. You MUST use Preloader 0.29. Starfall hacks wont work on 4.0. Use the latest preloader hacks.ini
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Do original discs work with/without CIOSCORP?<!--fontc--></span><!--/fontc-->
Yes. CIOSCORP and CIOS60 only affect Backup Discs
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->How do I fix the error when installing preloader "current IOS(36) has the fakesign bug fixed"?<!--fontc--></span><!--/fontc-->
Install "IOS36-64-v1042.wad" which can be found on a disc or using the Offline Pack
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->How do I fix the error "You are a pirate" in CMDVDX35?<!--fontc--></span><!--/fontc-->
delete the cioscorp folder from your sd card and run NandClean <a href="http://www.gbatemp.net/index.php?showtopic=151590" target="_blank">http://www.gbatemp.net/index.php?showtopic=151590</a>
<!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->How do I fix (X)?<!--fontc--></span><!--/fontc-->
Chances are you messed up directions somewhere. Start from Step 1!
<!--sizeo:4--><span style="font-size:14pt;line-height:100%"><!--/sizeo--><!--fonto:Arial Black--><span style="font-family:Arial Black"><!--/fonto-->Credits: Team Twiizers, Waninkoko, tona, WB3000, Crediar, WiiGator, WiiBlaster, wiiNinja, ubercow<!--fontc--></span><!--/fontc--><!--sizec--></span><!--/sizec--><!--QuoteEnd--></div><!--QuoteEEnd-->