freezing( locks up) every few hours, Event ID 41

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There seems to be one .dmp dated 10.31.12. Bugcheck and usual causes of the .dmp is below:

Code:

STOP 0x00000050: PAGE_FAULT_IN_NONPAGED_AREA 
Usual causes:  Defective hardware (particularly memory - but not just RAM), 
Faulty system service, Antivirus,  Device driver, NTFS corruption, BIOS
BugCheck 50, {ffffffffffffffd0, 1, fffff80002ea612c, 0}
*** WARNING: Unable to verify timestamp for AppleCharger.sys
*** ERROR: Module load completed but symbols could not be loaded for AppleCharger.sys
Could not read faulting driver name
Probably caused by : AppleCharger.sys ( AppleCharger+1a9b )

Click on the Start ► Control Panel ► Programs ► Uninstall a program ► Uninstall everything related to; GIGABYTE On/Off Charge driver. See here for details - GIGABYTE ON/OFF Charge. May cause BSOD on Win7 systems - uninstall to test.

Source: Driver Reference Table

The following softwares can contribute in BSOD-s. Suggest you to uninstall them completely (with Free Revo Uninstaller - Advanced mode).

Code:

Start Menu\Programs\GIGABYTE	Public:Start Menu\Programs\GIGABYTE	Public
Start Menu\Programs\GIGABYTE\AutoGreen	Public:Start Menu\Programs\GIGABYTE\AutoGreen	Public
Start Menu\Programs\GIGABYTE\ET6	Public:Start Menu\Programs\GIGABYTE\ET6	Public
Start Menu\Programs\GIGABYTE\GIGABYTE TweakLauncher	Public:Start Menu\Programs\GIGABYTE\GIGABYTE TweakLauncher	Public

Please uninstall Norton and replace with Microsoft Security Essentials at least to test.

Code:

Start Menu\Programs\Norton Internet Security	Public:Start Menu\Programs\Norton Internet Security	Public
Start Menu\Programs\Norton Utilities 15	Public:Start Menu\Programs\Norton Utilities 15	Public

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

• Microsoft Security Essentials - Free Antivirus for Windows
• Microsoft Security Essentials Download | Free Spyware Protection
• Malwarebytes - The Free version
• Good and Free system security combination.

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.

The latest drivers for NVIDIA are a little problematic as I've heard. Click on the Start ► Control Panel ► Programs ► Uninstall a program ► Uninstall everything related to; NVIDIA Reboot the system. Now delete remnants of its drivers using Driver Fusion/Sweeper. Reboot if required

Download and install the drivers from the link of Filehippo bellow:

• Download NVIDIA Forceware 306.97 WHQL Vista 64 - FileHippo.com

Video Card - Stress Test with Furmark

• Video Card - Stress Test with Furmark

Monitor your temps with Speccy during these tests

• Speccy - System Information - Free Download

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:

• SFC /SCANNOW Command - System File Checker

Run Disk Check on your hard disk for file system errors and bad sectors on it:

• Disk Check

Free up the start-up, nothing except the antivirus is usually needed.

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

Hope this helps for now. Let us know the results. :)

Do you have an SSD? Is the firmware up to date?

Upload a screenshot of your hard disk using crystal disk info and Summary Tab of Speccy:

• CrystalDiskInfo - Software - Crystal Dew World
• Speccy - System Information - Free Download
• Screenshots and Files - Upload and Post in Seven Forums

Edit: You should also perform a clean install once again, and see how the computer performs with no drivers/software installed.

Please post the screenshots requested.
As well as latest dump files.

Thanks.

Take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.

• RAM - Test with Memtest86+

The goal is to test all the RAM sticks and all the motherboard slots.

Check your motherboard manual to ensure the RAM sticks are in the recommended motherboard slots. Some motherboards have very specific slots required for the number of RAM sticks installed.

If you get errors, stop the test and continue with the next step.

1. Remove all but one stick of RAM from your computer (this will be RAM stick #1), and run Memtest86 again, for 7 passes.
Be sure to note the RAM stick, use a piece of tape with a number, and note the motherboard slot.
If this stick passes the test then go to step #3.

2. If RAM stick #1 has errors, repeat the test with RAM stick #2 in the same motherboard slot.
If RAM stick #2 passes, this indicates that RAM stick #1 may be bad. If you want to be absolutely sure, re-test RAM stick #1 in another known good slot.
If RAM stick #2 has errors, this indicates another possible bad RAM stick, a possible motherboard slot failure or inadequate settings.
3. Test the next stick of RAM (stick #2) in the next motherboard slot.
If this RAM stick has errors repeat step #2 using a known good stick if possible, or another stick.
If this RAM stick has no errors and both sticks failed in slot#1, test RAM stick #1 in this slot.
4. If you find a stick that passes the test, test it in all the other motherboard slots.

If Part 2 testing shows errors, and all tests in Part 3 show errors, you will need to test the RAM sticks in another computer and/or test other RAM in your computer to identify the problem.

In this way, you can identify whether it is a bad stick of RAM, a bad motherboard, or incompatibility between the sticks.

Errors are sometimes found after 8 passes.
Do this test overnight, before going to bed.