We have getting BSOD on many system with Windows 8.1 OS only. I have check without Anti-Virus but same problem.

Find the dump analyzer report.

========================MEMORY DUMP===================================

************* Symbol Loading Error Summary **************
Module name            Error
ntkrnlmp               The system cannot find the file specified

You can troubleshoot most symbol related issues by turning on symbol loading diagnostics (!sym noisy) and repeating the command that caused symbols to be loaded.
You should also verify that your symbol search path (.sympath) is correct.
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck D1, {8, 2, 0, fffff8002d817909}

*** ERROR: Symbol file could not be found.  Defaulted to export symbols for NETIO.SYS - 
*** ERROR: Module load completed but symbols could not be loaded for tcpip.sys
*** ERROR: Module load completed but symbols could not be loaded for afd.sys
***** Kernel symbols are WRONG. Please fix symbols to do analysis.

Page 14abd not present in the dump file. Type ".hh dbgerr004" for details

......

Probably caused by : NETIO.SYS ( NETIO!WfpStreamIsFilterPresent+2249 )

========================================================================

Please help anyone.

  We do need the actual log files (called a DMP files) as they contain the only record of the sequence of events leading up to the crash, what drivers were loaded, and what was responsible.  

Please follow our instructions for finding and uploading the files we need to help you fix your computer. They can be found here If you have any questions about the procedure please ask

Hi,

NETIO.sys is a Windows networking driver. This issue can be caused by following factors:

1. Network drivers themselves; whether they need to be updated, reinstalled due to corruption, rolled back due to bug in latest version, etc.

               

2. 3rd party antivirus or firewall software causing NETBIOS and/or network related conflicts.

Please first reinstall or update your network adapter drivers including wired and wireless to check the issue.

If the issue still persists, this points us towards networking related 3rd party drivers or programs.

A faster way to attempt to identify the faulting driver is by the use of Driver Verifier (the STOP 0xD1 errors are well suited in provoking the actual faulting driver to identify itself). Please follow the instructions here to use Driver Verifier:

http://answers.microsoft.com/en-us/windows/wiki/windows_other-system/driver-verifier-tracking-down-a-mis-behaving/f5cb4faf-556b-4b6d-95b3-c48669e4c983

To remove or reinstall the problematic drivers, if the driver is related to 3^rd part program, just remove the program to check the issue.

For further help, please upload the latest dump file as zig mentioned for our research.