Frequent BSOD while using the internet

You need to update the Atheros Driver:
Driver Reference Table

Code:

Microsoft (R) Windows Debugger Version 6.2.9200.20512 X86
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [C:\Users\admin\Downloads\STAV-PC-Fri_08_29_2014_110422_38\082914-19328-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Machine Name:
Kernel base = 0xfffff800`02a0c000 PsLoadedModuleList = 0xfffff800`02c49e50
Debug session time: Fri Aug 29 13:43:19.910 2014 (UTC + 6:00)
System Uptime: 0 days 0:06:34.455
Loading Kernel Symbols
...............................................................
................................................................
................
Loading User Symbols
Loading unloaded module list
....
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*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
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Use !analyze -v to get detailed debugging information.

BugCheck 50, {fffff8000000fbcf, 8, fffff8000000fbcf, 0}

*** WARNING: Unable to verify timestamp for athurx.sys
*** ERROR: Module load completed but symbols could not be loaded for athurx.sys

Could not read faulting driver name
Probably caused by : athurx.sys ( athurx+9f3bb )

Followup: MachineOwner
---------

2: kd> lmvm athurx
start             end                 module name
fffff880`02805000 fffff880`029e3000   athurx   T (no symbols)           
    Loaded symbol image file: athurx.sys
    Image path: \SystemRoot\system32\DRIVERS\athurx.sys
    Image name: athurx.sys
    Timestamp:        Wed Apr 20 16:07:45 2011 (4DAEB071)
    CheckSum:         001E1C78
    ImageSize:        001DE000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

Sometimes drivers remain, not completely uninstalled. Follow this tutorial for complete removal of drivers of the particular program: How to Clean Left Over Driver Files with Driver Sweeper

• Drivers - Clean Left over Files after Uninstalling