Your driver is up to date - if you have a problem with your driver, you can try to re-install the old version as below .
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
59.22 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
5.89 MB
VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
2.88 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
8 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
5.89 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
Others
2.1.0.21
2013-07-16
5.78 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
8.04 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
3.19 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
3.19 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
7.99 MB
VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
5.89 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
7.93 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
3.19 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
7.89 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
7.89 MB
VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
5.89 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
7.79 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
3.19 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
2.1.0.21
2013-07-16
14.57 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
66.26 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
5.78 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
Others
2.1.0.21
2013-07-16
5.89 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
3.19 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
Others
2.1.0.21
2013-07-16
116.21 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
5.79 MB
VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
3.19 MB
VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
5.78 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.20)
Others
2.1.0.21
2013-07-16
5.78 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller (NDIS 6.30)
2.1.0.21
2013-07-16
59.2 MB
XP, VISTA, WIN7, WIN8/64bits
Qualcomm Atheros AR8171/8175 PCI-E Gigabit Ethernet Controller
2.1.0.21
2013-07-16
3.19 MB
VISTA, WIN7, WIN8/64bits