BSOD on my machine too

Can you please upload the DMP files to us?
https://www.sevenforums.com/crashes-d...tructions.html
make sure to run the tool as administrator

Most of the dumps are NETIO calls that end up in an SeAccessCheckFromState, with raw stacks showing vfilter.sys. You also have one more obvious crash showing vfilter.sys calling RtlUnicodeStringToAnsiString, and passing in an invalid address.

Given all of the crashes seem to stem from the use of this VPN driver, I'm going to tentatively say this one is being caused by said driver. You have the most recent version of that Shrew VPN software, it seems (2.1.5), so I'm not sure what to tell you other than to remove the software, reboot, and re-add it to see if the problem is just a bum install. If it continues, provide another set of .dmp files for us to look at if you would.

These were caused byt your vfilter.sys which is ppart of your VPN client software. I would either uninstall it or reinstall it
But rather think it is the cause, I really suspect Symantec/Norton Antivirus software that cause all of these. Stop 7F is potentially caused by third party firewall. And it is possible that it block your VPN. Please remove Symantec/Norton completely using this tool:
Download and run the Norton Removal Tool to uninstall your Norton product | Norton Support
If you need a BSODs free antivirus software, try Microsoft security essential and use the built in firewall:
http://www.microsoft.com/security_essentials

BUGCHECK SUMMARY:

Code:

BugCheck A, {fffff98000004e22, 2, 0, fffff80002fed3c6}

Unable to load image \SystemRoot\system32\DRIVERS\vfilter.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for vfilter.sys
*** ERROR: Module load completed but symbols could not be loaded for vfilter.sys
Probably caused by : vfilter.sys ( vfilter+1116 )

Followup: MachineOwner
---------
BugCheck 7F, {8, 80050033, 6f8, fffff80002a54aaf}

Probably caused by : NETIO.SYS ( NETIO!CompareSecurityContexts+6a )

Followup: MachineOwner
---------
BugCheck 7F, {8, 80050033, 6f8, fffff80002a52e58}

Probably caused by : ntkrnlmp.exe ( nt!KiDoubleFaultAbort+b2 )

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

Run system file check please:

Open an elevated command prompt and enter sfc /scannow.

Let us know if you need help

Tuan