I installed network drivers from the manufactures site(If so can manufacturer's software is wrong-i mean error in manufacturer's software). What about memory do I need to do something regarding that.Noted Memory corruption and ndis.sys
Try updating your network drivers (from your manufactures support page)
BugCheck 4E, {2, fd5e, 7f7cf, 2}
Probably caused by : memory_corruption
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: winlogon.exe