System_Service_Exception BSOD when opening skype

Welcome to the forum Rowanrichards,

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!:-

clwvd.sys Wed Jul 28 07:13:47 2010 (4C4F844B)
CyberLink WebCam Virtual Driver
Driver Reference Table - clwvd.sys

AtihdW76.sys Wed Nov 17 18:02:04 2010 (4CE3C43C)
ATI Function Driver for HD Audio Service
Driver Reference Table - AtihdW76.sys

stwrt64.sys Fri Dec 17 15:48:24 2010 (4D0B31E8)
SigmaTel High Definition Audio Codec
Driver Reference Table - stwrt64.sys

RtsPStor.sys Wed Jan 12 13:32:49 2011 (4D2D5921)
Realtek PCIE CardReader Driver
Driver Reference Table - RtsPStor.sys

Rt64win7.sys Fri Jun 10 12:33:15 2011 (4DF1BAAB)
Realtek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC
Driver Reference Table - Rt64win7.sys

atikmpag.sys Thu Sep 15 23:38:41 2011 (4E723821)
ATI Video driver (remove the Catalyst Control Center and only install the Display Driver)
Driver Reference Table - atikmpag.sys

atikmdag.sys Fri Sep 16 00:07:36 2011 (4E723EE8)
ATI Video driver (remove the Catalyst Control Center and only install the Display Driver)
Driver Reference Table - atikmdag.sys

To perform a clean install of a driver, follow this tutorial:

• How to Clean Left Over Driver Files with Driver Sweeper

Use Revo Uninstaller to uninstall stubborn software. Opt for Advance Mode while uninstalling which allows you to remove leftover registry:-

• Download Revo Uninstaller Freeware - Free and Full Download - Uninstall software, remove programs, solve uninstall problems

---

Reduce items at start-up:

• How to Change, Add, or Remove Startup Programs in Windows 7

Perform a clean boot:

• How to Troubleshoot a Problem by Performing a Clean Startup in Windows 7 or Vista

Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:

• How to Repair Windows 7 System Files with System File Checker

Recommended antivirus software for Windows 7 based on stability compared to others:-

• Microsoft Security Essentials Download | Free Spyware Protection
• Malwarebytes - The Free version
• Good & Free Security Combination

   Warning

Do not start the free trial of Malware Bytes; remember to deselect that option when prompted.

Code:

Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Mon May 26 01:08:48.339 2014 (UTC + 6:00)
System Uptime: 0 days 1:16:27.653
BugCheck 3B, {c0000005, fffff8800578215a, fffff88009280e30, 0}
Probably caused by : ks.sys ( ks!KspPropertyHandler+2ea )
BUGCHECK_STR:  0x3B
PROCESS_NAME:  Skype.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Sun May 25 23:51:21.771 2014 (UTC + 6:00)
System Uptime: 0 days 0:50:30.379
BugCheck 3B, {c0000005, fffff8800567315a, fffff88006e8ee30, 0}
Probably caused by : ks.sys ( ks!KspPropertyHandler+2ea )
BUGCHECK_STR:  0x3B
PROCESS_NAME:  Skype.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Built by: 7601.17592.amd64fre.win7sp1_gdr.110408-1631
Debug session time: Sun May 25 22:59:50.536 2014 (UTC + 6:00)
System Uptime: 0 days 0:36:56.128
BugCheck 3B, {c0000005, fffff8800562015a, fffff88009e18e30, 0}
Probably caused by : ks.sys ( ks!KspPropertyHandler+2ea )
BUGCHECK_STR:  0x3B
PROCESS_NAME:  Skype.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``

Keep us posted.