BSOD in Windows 7 Home Premium NTOSKRNL.EXE

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Perform a clean boot and see if you are able to log in to windows normally:

Troubleshoot Application Conflicts by Performing a Clean Startup

And carry out the following:

Recommendations:

McAfee is a very frequent cause of BSOD's. Please remove it using its removal tool from here: Uninstallers (removal tools) for common antivirus software - ESET Knowledgebase

Code:

Start Menu\Programs\McAfee	Public:Start Menu\Programs\McAfee	Public

We recommended Microsoft Security Essentials from a strict BSOD perspective. Is most compatible & provides most stability compared to other antivirus app/Internet Security Software.

• Microsoft Security Essentials, Free antivirus for windows
• Malwarebytes Anti-Malware Free
• Good and Free system security combination

   Warning

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

Run a full scan with both (separately) once downloaded, installed and updated.

Perform a System File Check to check the integrity of all protected Windows 7:

• Click Start Menu
• Click All Programs
• Click Accessories
• Right click Command Prompt
• Click Run as administrator
• Type
• Code:

  sfc /scannow

• and press Enter

Full tutorial here:

• SFC /Scannow Command - System File Checker

Check your hard drive(s) for errors by running chkdsk:

• Check your hard disk for errors
• Disk Check

Number down items at start-up. Keep only your anti-virus, this also improves the time for logging into windows.

• Click on the Start button
• Type “msconfig (without quotes), click the resulting link. It will open the System Configuration window.
• Select the “Startup” tab.
• Deselect all items other than the antivirus.
• Apply > OK
• Accept then restart.

Full tutorial:

• Startup Programs - Change
• Troubleshoot Application Conflicts by Performing a Clean Startup

Let us know the results and further BSOD reports if any.