@ Jefrfrey Tipet , thanks for the input.
Internet Connectivity lost,issue is not happening in fresh windows 7 system. Issue happens only when in corporate network where firewall has been established. for ex in system where issue happens “McAfee NDIS Light-Weight Filter” is installed.
Internet connectivity also lost during uninstallation method.
And also the same issue reproducible sometime using sample provided in msdn NDIS Sample LightWeight Filter[https://code.msdn.microsoft.com/windowshardware/NDISLWFSYS-Sample-NDIS-60-42b76875].
INF:
;-------------------------------------------------------------------------
; Ndi installation support
;-------------------------------------------------------------------------
[Inst_Ndi]
HKR, Ndi,Service,“ndisrd”
HKR, Ndi,CoServices,0x00010000,“ndisrd”
HKR, Ndi,HelpText,%ndisrfl_HelpText%
HKR, Ndi,FilterClass, compression
HKR, Ndi,FilterType,0x00010001,0x00000002
HKR, Ndi\Interfaces,UpperRange,“noupper”
HKR, Ndi\Interfaces,LowerRange,“nolower”
HKR, Ndi\Interfaces, FilterMediaTypes,“ethernet,wan,tunnel,ppip”
HKR, Ndi,FilterRunType, 0x00010001, 1 ;this filter must run before any protocol can bind to the below miniport
;-------------------------------------------------------------------------
; Service installation support
;-------------------------------------------------------------------------
[Install.Services]
AddService=ndisrd,ndisrd_Service_Inst
[ndisrd_Service_Inst]
DisplayName = %ndisrfl_Desc%
ServiceType = 1 ;SERVICE_KERNEL_DRIVER
StartType = 1 ;SERVICE_SYSTEM_START
ErrorControl = 1 ;SERVICE_DEMAND_START
ServiceBinary = %12%\ndisrfl.sys
LoadOrderGroup = NDIS
Description = %ndisrfl_Desc%