Android 1.0 with exclamation Mark Problem Solution

Nexus S Android 1.0 Error Solution

I just found it & share with you to save some time

Steps :
Download PdaNet+ for Android
Version 4.12 installer for Windows 8/7/Vista/XP (both 32/64bit)

Once downloaded, install the software. When that's done go into control panel > Hardware and sound > Device manager and look for the android 1.0 driver with the yellow exclamation point. Right click and hit 'update drivers'. Browse your computer manually instead of having it search for you. Then enter this path. c:/program files/PdaNet for Android/usbwin. You'll get a security warning, but install anyways. Once this is done, you're good to go.

 Hope Its Work  .....................