Hi William,
What is the complete error message/code you receive?
Tips for fixing common driver problems
http://windows.microsoft.com/en-US/windows7/Tips-for-fixing-common-driver-problems
Please download the software from: http://www.huaweidevice.com/worldwide/downloadCenter.do?method=index&type=software
http://www.huaweidevice.com/worldwide/downloadCenter.do?method=index&type=software
Hope it helps. Please post back if you need any further assistance on Windows and we’ll be glad to assist you further.