BSOD. 2 or 3 times a day at Random times.

Welcome to the forum.

Kaspersky contributes to BSOD's. Please remove it for testing purpose. Use Microsoft Security Essentials.

Recommended from a strict BSOD perspective, compatibility & stability compared to other security software:

Microsoft Security Essentials - Free Antivirus for Windows

Malwarebytes - Free

Good and Free system security combination.

Reduce items at start-up: Startup Programs - Change

Perform a clean boot: Troubleshoot Application Conflicts by Performing a Clean Startup

Please update these older drivers. Links are included to assist in looking up the source of the drivers. If unable to find an update, please remove (un-install) the program responsible for that driver. DO NOT manually delete/rename the driver as it may make the system unbootable!:-

Code:

AODDriver2.sys Thu Apr 5 15:23:37 2012 (4F7D6499)

AMD Overdrive; also in EasyTune6 for Gigabyte motherboard [br] Known BSOD issues in Win7
Driver Reference Table - AODDriver2.sys

Code:

ser2pl64.sys Thu Oct 17 17:02:48 2013 (525FC3D8)

USB-to-Serial Cable Driver/GembirdUAS112
Driver Reference Table - ser2pl64.sys

Use Revo Uninstaller to uninstall stubborn software. Opt for Advance Mode while uninstalling which allows leftover registry removal:Download Revo Uninstaller Freeware - Free and Full Download - Uninstall software, remove programs, solve uninstall problems

Perform a clean install of a driver following: How to Clean Left Over Driver Files with Driver Sweeper

Run a System file check (SFC): SFC /SCANNOW Command - System File Checker

Scan with Kaspersky TDSSKiller:Anti-rootkit utility TDSSKiller

ESET online scanner: Free Online Virus Scanner | ESET

Check for heating issues using Speccy or HWmonitor

Upload a screen shot: Screenshots and Files - Upload and Post in Seven Forums

Run Disk Check on your Hard Drive(s): Disk Check

Summary:

Code:

Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532
Debug session time: Thu Jan 16 02:11:37.793 2014 (UTC + 6:00)
System Uptime: 0 days 0:32:11.979
BugCheck 1E, {0, 0, 0, 0}
Probably caused by : ntkrnlmp.exe ( nt!KiKernelCalloutExceptionHandler+e )
BUGCHECK_STR:  0x1E
PROCESS_NAME:  firefox.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532
Debug session time: Thu Jan 16 01:21:59.653 2014 (UTC + 6:00)
System Uptime: 0 days 3:45:40.840
BugCheck 1E, {0, 0, 0, 0}
Probably caused by : ntkrnlmp.exe ( nt!KiKernelCalloutExceptionHandler+e )
BUGCHECK_STR:  0x1E
PROCESS_NAME:  System
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532
Debug session time: Tue Jan 14 15:58:51.480 2014 (UTC + 6:00)
System Uptime: 0 days 1:59:04.425
BugCheck A, {fffff000060a3f00, 2, 1, fffff80002ee0c42}
*** WARNING: Unable to verify timestamp for ser2pl64.sys
*** ERROR: Module load completed but symbols could not be loaded for ser2pl64.sys
Probably caused by : ser2pl64.sys ( ser2pl64+d500 )
BUGCHECK_STR:  0xA
PROCESS_NAME:  System
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``