ICS and Adhoc

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Hello there!
At first,I would like to say thank you to all users for their supports and their help, thank to your informationI have finally upgraded my Acer Iconia A100 to ICS and I have rooted the device without any problem, and it works like a charm!
But before I made the upgraded to ICS i was using Honey Comb 3.2 which was rooted also and I did manage to install Adhocenabler which worked perfectly with my nokia n97.
So I have upgraded the device to ICS, rooted it, but now I can't get adhocenabler applicatin to work! It always come with "unable to mount system" "are you rooted ?"

All applications have rooted access but it seems that adhocenabler can't have it!
I have tried to Re-root the device, tried to hard reset it, but it still doesn't work...

ANyone is facing the same problem? do you have a solution ?

thank you very much

Hi there, I had a similar problem whilst trying to install chainfire3D.

Try running this (seperate commands) from within terminal emulator (a quick download from the Play Store if you haven't got it installed)

su

mount -o remount, rw /system/

Let me know if this works, did you follow the ZeroNull method?

thank you for your answer!
I've tried your method, but i doesn't work... I'm still stuck with the same error
I have took a screenshot of the application

freefilehosting.net/20120401-145832
freefilehosting.net/20120401-1458361

that sounds weird because it's the only one application that can't get root access

For those who cant get access to adhoc network on ICS,
this method is working perfectly !

download a copy of the wpa_supplicant, here and put it in sdcard/download directory

forum.xda-developers.com/showthread.php?t=1033314

and then open a command shell on windows and type

ADB SHELL
su
mount -o rw,remount /system
cd /system
chmod 775 bin
cd bin
cat wpa_supplicant > wpa_supplicant.old
ls
cat /sdcard/download/wpa_supplicant > /system/bin/wpa_supplicant
ls –a –l
chmod 755 /system/bin/wpa_supplicant
chown system.wifi /system/etc/wifi/wpa_supplicant.conf
mount -o ro,remount /system
press ctrl-c
unplug usb
reboot tablet
restart start phone

Now everything is OK ;=)