unable to connect to internet

i get the same message with IE and Firefox. i do have a wireless connection,
i can ping #addresses, but can not ping names
NETSCP caused an invalid page fault in
module <unknown> at 0000:01f5b8b7.
Registers:
EAX=01f5b898 CS=0167 EIP=01f5b8b7 EFLGS=00010282
EBX=0000277a SS=016f ESP=0230f994 EBP=0230f9e4
ECX=0230f9a4 DS=016f ESI=01f5c550 FS=35af
EDX=00000000 ES=016f EDI=0230f9d4 GS=0000
Bytes at CS:EIP:
00 a0 f5 9f 01 70 f7 9f 01 f0 f8 9f 01 00 00 00
Stack dump:
01f5016f 76003481 0230f9a4 01f5c550 01f5c550 76002881 00000000 007e28fc
007e2450 760029ff 007e27f0 0230f9d4 007e2f30 0230fb6c ffffffff 007e2f3c




=?Utf-8?B?VmluY2VudA==?=