ZTE mf190 device not connected on windows 7 sp1

I have the zte mf190 dongle which is not detected in my computer with windows 7 service pack 1. After installation it says "ZTE WCDMA Technologies MSM driver not found" and in the Device Manager, it is displayed in 'other devices '. I used the dongle in Windows xp 'Virtual Machine' in my pc even, and there it is installed without any problem and also works quite well. What could be the problem with windows 7 here. Help, please.

Most often when a device does not work, it is because the driver is damaged. Re-install a new copy should help

http://Windows.Microsoft.com/en-us/Windows7/update-a-driver-for-hardware-that-isn ' t-work correctly? SignedIn = 1

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