[KidGixxer]

Tested. Fixed. Windows live works fine now.
0. Download mtty.zip
1. Put phone in bootloader (power, notes and soft reset)
2. Disable activeSync (right-click on activeSync, select connections, and uncheck USB)
3. Connect phone to computer and run mtty1[1].42.exe
4. select "USB" in com ports and click 'ok'.
5. Press the "enter" key on your keyboard and you will get "USB>"
6. type "task 28 55aa" (do not copy and paste, it wont work.) without the quotes and press "enter"
7. Close mtty1[1].42.exe
8. soft reset phone. (It wont turn on)
9. Put phone back into bootloader mode.
10. Make your custom rom the way you want it and flash your phone. (Do not over stuff it)
11. Check the device name. Tada Its magic...

If you need help p.m me. I doubt you will though.

Disclaimer!!!!!
READ THE FIRST POST OF THIS TOPIC BEFORE YOU DO ANYTHING.
http://forum.ppcgeeks.com/showthread.php?t=7820

Originally Posted by mbial

For anyone running Vista who is having trouble getting mtty working properly, be sure to check out how to make it work here:
http://forum.xda-developers.com/showthread.php?t=291723
MJB