Random and different BSOD errors, mostly when downloading.

Welcome to the forum.

Please uninstall Comodo software.

Code:

cmderd.sys                    Tue Sep 24 16:25:56 2013 (524168B4)
cmdguard.sys                  Tue Sep 24 16:27:28 2013 (52416910)
cmdhlp.sys                    Tue Sep 24 16:26:05 2013 (524168BD)
inspect.sys                   Tue Sep 24 16:26:03 2013 (524168BB)

• Microsoft Security Essentials & the Free version of Malwarebytes, update and make full scans separately:
  
  • Uninstallers (removal tools) for common antivirus software - ESET Knowledgebase
  • Help protect your PC with Microsoft Security Essentials
  • Malwarebytes Free

   Note

Do not start the trial version of MalwareBytes

• Also take a look at: Good & Free System Security Combination

Code:

nvlddmkm.sys                  Thu Sep 12 11:16:00 2013 (52314E10)
nvmf6264.sys                  Fri Mar  5 07:04:39 2010 (4B9058A7)
nvvad64v.sys                  Tue Aug 20 17:29:10 2013 (52135306)

Arc said:

Lately we have experienced some issues with the latest driver. Install the 314.22 WHQL only.

• Uninstall All nvidia items in Control Panel > Programs and features
  
  • 3D Vision Control Driver
  • 3D Vision Driver
  • Graphics Driver
  • HD Audio Driver
  • PhysX
  • nvidia Update
  
  (Are you using nvidia chipset drivers? If so, dont uninstall anything other than those are listed).
• Now follow Drivers - Clean Left over Files after Uninstalling
• Boot normally now. Go to Drivers - Download NVIDIA Drivers, Download 314.22 WHQL. While installing, Select Custom (Advanced) install. In the next page, follow this settings:
  
  

Let us know the results.

Code:

TuneUpUtilitiesDriver64.sys   Thu Sep 17 17:54:52 2009 (4AB2238C)

• This software is a known cause of BSOD's. The windows 7 operating system does not require these registry cleaning software. They often tune-down rather than tune-up and can wreck the OS beyond repair. Microsoft have improved Windows 7 significantly and it is much better at organising and optimising itself than its predecessors. Check this, this and this thread for evidence. If you feel the need to use a registry cleaning or optimisation software, most of us recommend the use of CCleaner - PC Optimization and Cleaning - Free Download but make sure you back up the registry before making letting ccleaner delete anything. 10 Tips on How to Properly Maintain Your Computer

• Virus Check:
  
  • Make scans with these tools below:
    
    • TDSSKiller Rootkit Removal Utility Free Download | Kaspersky Lab US
    • Online Virus Scanner Eset
• Application conflict:
  
  • Reduce the start-up items. This will help avoid software conflicts:
    
    • Remove Startup Programs in Windows 7
    • Clean Startup in Windows 7

• System File Checker
  
  • The SFC /SCANNOW Command - System File Checker scans the integrity of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible. If you have modified your system files as in theming explorer/system files, running sfc /scannow will revert the system files to it's default state.
    
    • Link to full tutorial: SFC /SCANNOW Command - System File Checker
• Run Disk Check in Windows 7
  
  • Run this on your Hard Drive(s). This will show you how to run Check Disk or chkdsk in Windows 7 to check a selected hard disk for file system errors and bad sectors on it. With both boxes checked for all HDDs and with Automatically fix file system errors. Post back your logs for the checks after finding them using Check Disk (chkdsk) - Read Event Viewer Log
    
    • Link to full tutorial: Disk Check