for any still needing ICS to work. this worked for me.
Originally Posted by
Boo Boo 
does my way make it hidden again? at least with sprint. maybe telus has other settings
Tethering - tested and works
1 - using file explorer go to Windows\Start Menu\Programs - delete internect connection sharing
2 install - ICS_and_WModem_Fix cab
3. using a regedit program
[HKEY_LOCAL_MACHINE\Comm\InternetSharing]
Extension="" Delete the "isext.dll" entry
[HKEY_LOCAL_MACHINE\Comm\InternetSharing\settings]
ForceCellConnection="Sprint"
[HKEY_LOCAL_MACHINE\Comm\InternetSharing]
MaxCMCon=0
[HKLM\Services\CMGuardian]
Flags = 4 (it's a DWORD Value. if it doesn't exist. you need to create it)
4 - soft reset
5 - Start the Internet Sharing application.
6 - Select Sprint under type of connection.
7 - Hit Connect In the Internet Sharing application.
8 - Connect to the Laptop/PC via USB
9 - Done. No other applications needs to run on the PC/Laptop.