Win8.1 Metro应用无法联网终极解决方法：
一、删除注册表中：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries
所有内容
二、把以下内容导入注册表
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries] [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000001]
"LibraryPath"="%SystemRoot%\\system32\\napinsp.dll"
"DisplayString"="@%SystemRoot%\\system32\\napinsp.dll,-1000"
"ProviderId"=hex:a2,cb,4a,96,bc,b2,eb,40,8c,6a,a6,db,40,16,1c,ae
"SupportedNameSpace"=dword:00000025
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000000
"ProviderInfo"=hex: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000002]
"LibraryPath"="%SystemRoot%\\system32\\pnrpnsp.dll"
"DisplayString"="@%SystemRoot%\\system32\\pnrpnsp.dll,-1000"
"ProviderId"=hex:ce,89,fe,03,6d,76,76,49,b9,c1,bb,9b,c4,2c,7b,4d
"SupportedNameSpace"=dword:00000027
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000000
"ProviderInfo"=hex: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000003]
"LibraryPath"="%SystemRoot%\\system32\\pnrpnsp.dll"
"DisplayString"="@%SystemRoot%\\system32\\pnrpnsp.dll,-1001"
"ProviderId"=hex:cd,89,fe,03,6d,76,76,49,b9,c1,bb,9b,c4,2c,7b,4d
"SupportedNameSpace"=dword:00000026
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000000
"ProviderInfo"=hex: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000004]
"LibraryPath"="%SystemRoot%\\system32\\NLAapi.dll"
"DisplayString"="@%SystemRoot%\\system32\\nlasvc.dll,-1000"
"ProviderId"=hex:3a,24,42,66,a8,3b,a6,4a,ba,a5,2e,0b,d7,1f,dd,83
"SupportedNameSpace"=dword:0000000f
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000000
"ProviderInfo"=hex: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000005]
"LibraryPath"="%SystemRoot%\\System32\\mswsock.dll"
"DisplayString"="@%SystemRoot%\\system32\\wshtcpip.dll,-60103"
"ProviderId"=hex:40,9d,05,22,9e,7e,cf,11,ae,5a,00,aa,00,a7,11,2b
"SupportedNameSpace"=dword:0000000c
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000001
"ProviderInfo"=hex: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000006]
"LibraryPath"="%SystemRoot%\\System32\\winrnr.dll"
"DisplayString"="@%SystemRoot%\\System32\\winrnr.dll,-1000"
"ProviderId"=hex:ee,37,26,3b,80,e5,cf,11,a5,55,00,c0,4f,d8,d4,ac
"SupportedNameSpace"=dword:00000020
"Enabled"=dword:00000001
"Version"=dword:00000000
"StoresServiceClassInfo"=dword:00000000
"ProviderInfo"=hex:
注销后重启，Metro应用联网正常。