PAGE_FAULT_IN_NONPAGED_AREA- Multiple ntoskrnl.exe BSODs

Welcome to the forum SeptemAuxilium,

Uninstall Avast! for the time being.

Microsoft Security Essentials is recommended from a strict BSOD perspective, compatibility & stability
compared to other antivirus or internet security software. It is free and lightweight:-

• Microsoft Security Essentials - Free Antivirus for Windows
• Malwarebytes: Removes malware including viruses, spyware, worms and trojans, plus it protects your computer
• Good and Free system security combination.

   Warning

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

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:

• Click on the
• Type CMD on Search
• Left click and Run as Administrator
• Type SFC /scannow

Full tutorial here:

• SFC /SCANNOW Command - System File Checker

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PLease update the drivers below:

ASACPI.sys Mon Mar 28 08:30:36 2005 (42476C4C)
Asus ATK0110 ACPI Utility (a known BSOD maker in Win7 and Win8). Also a part of many Asus utilities (Win8 versions available from Windows Update as an Optional Update - but check Asus first!)
Driver Reference Table - ASACPI.sys

BrSerId.sys Mon Aug 7 07:51:11 2006 (44D69C8F)
Brother Serial I/F Driver (WDM)
Driver Reference Table - BrSerId.sys

BrUsbSer.sys Wed Aug 9 18:11:02 2006 (44D9D0D6)
Brother MFC USB Serial WDM Driver
Driver Reference Table - BrUsbSer.sys

atikmpag.sys Wed Apr 20 07:22:32 2011 (4DAE3558)
ATI Video driver (remove the Catalyst Control Center and only install the Display Driver)
Driver Reference Table - atikmpag.sys

atikmdag.sys Wed Apr 20 07:53:29 2011 (4DAE3C99)
ATI Video driver (remove the Catalyst Control Center and only install the Display Driver)
Driver Reference Table - atikmdag.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

Sometimes drivers remain, not completely uninstalled. Follow this tutorial for complete removal of drivers of the particular program: How to Clean Left Over Driver Files with Driver Sweeper

• Drivers - Clean Left over Files after Uninstalling

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

Check for heating issues using Speccy or HWMonitor. Upload a screen shot with either of the tools:

• Speccy - System Information - Free Download
• HWMonitor CPUID - System & hardware benchmark, monitoring, reporting
• Screenshots and Files - Upload and Post in Seven Forums

Make scans with the following:

Kaspersky TDSSKiller

• Anti-rootkit utility TDSSKiller

ESET online scanner:

• Free Online Virus Scanner | ESET

Run Disk Check on your Hard Drive for file system errors and bad sectors on it:

• How to Run Disk Check in Windows 7

Upload a screenshot of your hard disk using Crystal Disk Info:

• CrystalDiskInfo - Software - Crystal Dew World
• Screenshots and Files - Upload and Post in Seven Forums

BSOD BUGCHECK SUMMARY

Code:

Built by: 7601.18409.amd64fre.win7sp1_gdr.140303-2144
Debug session time: Tue Jul 29 00:44:01.881 2014 (UTC + 6:00)
System Uptime: 0 days 0:00:47.802
BugCheck 50, {ffffffffffffff80, 1, fffff88007cb3535, 0}
Probably caused by : memory_corruption
BUGCHECK_STR:  0x50
PROCESS_NAME:  svchost.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``
Built by: 7601.18409.amd64fre.win7sp1_gdr.140303-2144
Debug session time: Tue Jul 22 03:05:00.583 2014 (UTC + 6:00)
System Uptime: 0 days 0:00:57.504
BugCheck 1E, {0, 0, 0, 0}
Probably caused by : ntkrnlmp.exe ( nt!KiKernelCalloutExceptionHandler+e )
BUGCHECK_STR:  0x1E
PROCESS_NAME:  svchost.exe
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨``