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Windows 7: Windows Explorer failing randomly

26 Dec 2011   #1
milosjor

Windows 7 Ultimate x86
 
 
Windows Explorer failing randomly

explorer.exe process stops and needs to restart at random point. Tried combofix, registry cleaners malware proctetor is activated and computer is generally in good shape. This is what I get


Problem Event Name: BEX
Application Name: Explorer.EXE
Application Version: 6.1.7601.17567
Application Timestamp: 4d6727a7
Fault Module Name: StackHash_a7aa
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Offset: 0c96d44c
Exception Code: c0000005
Exception Data: 00000008
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: a7aa
Additional Information 2: a7aa91f17ea749d42a4de3b390fa5b3d
Additional Information 3: a7aa
Additional Information 4: a7aa91f17ea749d42a4de3b390fa5b3d

Anybody has an idea?


My System SpecsSystem Spec
.
26 Dec 2011   #2
GianniDPC

Windows 7 Home Premium x64
 
 

Quote   Quote: Originally Posted by milosjor View Post
explorer.exe process stops and needs to restart at random point. Tried combofix, registry cleaners malware proctetor is activated and computer is generally in good shape. This is what I get


Problem Event Name: BEX
Application Name: Explorer.EXE
Application Version: 6.1.7601.17567
Application Timestamp: 4d6727a7
Fault Module Name: StackHash_a7aa
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Offset: 0c96d44c
Exception Code: c0000005
Exception Data: 00000008
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: a7aa
Additional Information 2: a7aa91f17ea749d42a4de3b390fa5b3d
Additional Information 3: a7aa
Additional Information 4: a7aa91f17ea749d42a4de3b390fa5b3d

Anybody has an idea?
Download Proces Explorer: Process Explorer

And take a look at whats running under 'explorer.exe' (make a prt scr)
My System SpecsSystem Spec
26 Dec 2011   #3
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by milosjor View Post
explorer.exe process stops and needs to restart at random point. Tried combofix, registry cleaners malware proctetor is activated and computer is generally in good shape. This is what I get


Problem Event Name: BEX
Application Name: Explorer.EXE
Application Version: 6.1.7601.17567
Application Timestamp: 4d6727a7
Fault Module Name: StackHash_a7aa
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Offset: 0c96d44c
Exception Code: c0000005-----------
Exception Data: 00000008
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: a7aa
Additional Information 2: a7aa91f17ea749d42a4de3b390fa5b3d
Additional Information 3: a7aa
Additional Information 4: a7aa91f17ea749d42a4de3b390fa5b3d

Anybody has an idea?

The above error indicates a memory exception (probably caused by a driver).


Please run these two tests to verify your memory and find which driver is causing the problem.

If you are overclocking anything reset to default before running these tests.
In other words STOP!!!



1-Memtest.
Quote:
*Download a copy of Memtest86 and burn the ISO to a CD using Iso Recorder or another ISO burning program. Memtest86+ - Advanced Memory Diagnostic Tool

*Boot from the CD, and leave it running for at least 5 or 6 passes.

Just remember, any time Memtest reports errors, it can be either bad RAM or a bad motherboard slot.

Test the sticks individually, and if you find a good one, test it in all slots.

Any errors are indicative of a memory problem.

If a known good stick fails in a motherboard slot it is probably the slot.

RAM - Test with Memtest86+



2-Driver verifier

Quote:
I'd suggest that you first backup your data and then make sure you've got access to another computer so you can contact us if problems arise. Then make a System Restore point (so you can restore the system using the Vista/Win7 Startup Repair feature).

In Windows 7 you can make a Startup Repair disk by going to Start....All Programs...Maintenance...Create a System Repair Disc - with Windows Vista you'll have to use your installation disk or the "Repair your computer" option at the top of the Safe Mode menu .

Then, here's the procedure:
- Go to Start and type in "verifier" (without the quotes) and press Enter
- Select "Create custom settings (for code developers)" and click "Next"
- Select "Select individual settings from a full list" and click "Next"
- Select everything EXCEPT FOR "Low Resource Simulation" and click "Next"
- Select "Select driver names from a list" and click "Next"
Then select all drivers NOT provided by Microsoft and click "Next"
- Select "Finish" on the next page.

Reboot the system and wait for it to crash to the Blue Screen. Continue to use your system normally, and if you know what causes the crash, do that repeatedly. The objective here is to get the system to crash because Driver Verifier is stressing the drivers out. If it doesn't crash for you, then let it run for at least 36 hours of continuous operation (an estimate on my part).

If you can't get into Windows because it crashes too soon, try it in Safe Mode.
If you can't get into Safe Mode, try using System Restore from your installation DVD to set the system back to the previous restore point that you created.
Driver Verifier - Enable and Disable


Further Reading
Using Driver Verifier to identify issues with Windows drivers for advanced users
My System SpecsSystem Spec
.

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