I solved the problem by just :

1- Deleting Acer Adb Interface not just Unistalling it 2- Disconnected my Phone and then connected it back 3- Waited for drivers to be installed.

Then the pc reconized it, in Usb Mode not as a ADB interface.

Hope this can solve your problem.

I solved the problem by just :

1. Deleting Acer Adb Interface not just Uninstalling it
2. Disconnected my Phone and then connected it back
3. Waited for drivers to be installed.

Then the pc recognizes it, in Usb Mode not as a ADB interface.

Hope this can solve your problem.