新手求助！WMDC连接PDA忽然报错！

[tales816]

之前用的就好好的Windows Device mobile center，不知道怎么回事，忽然就连不上PDA了
具体的错误信息如下，各位大大可以帮忙看一下，是怎么回事吗？
电脑系统是64位win7，装的也是64位的WDMC

点开我的电脑里的设备，就报错说 you do not have permission to access this device

WDMC也重装了，PDA也重置了，都不行。。。

Description:
Stopped working

Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: wmdc.exe
Problem Signature 02: 6.1.6965.0
Problem Signature 03: 465efff8
Problem Signature 04: Microsoft.WindowsMobile.DeviceManager
Problem Signature 05: 6.1.0.0
Problem Signature 06: 465efe7a
Problem Signature 07: 1b6
Problem Signature 08: 56
Problem Signature 09: System.UnauthorizedAccess
OS Version: 6.1.7601.2.1.0.256.4
Locale ID: 1033

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