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Windows 7: Explorer.exe keeps crashing need help getting usable debugging info.


21 Sep 2011   #1

Windows 7 Ultimate x64
 
 
Explorer.exe keeps crashing need help getting usable debugging info.

I'm trying to debug why my explorer.exe keeps crashing but I can't seem to get past this problem.

"This dump file has a breakpoint exception stored in it. The stored exception information can be accessed via .ecxr."


But when I type .ecxr but get no discernible input and not sure how to get it.


Code:
Microsoft (R) Windows Debugger Version 6.12.0002.633 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.
 
 
Loading Dump File [C:\LocalDumps\explorer.exe.2120.dmp]
User Mini Dump File with Full Memory: Only application data is available
 
Symbol search path is: SRV*C:\Symbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
Windows 7 Version 7601 (Service Pack 1) MP (2 procs) Free x64
Product: WinNt, suite: SingleUserTS
Machine Name:
Debug session time: Tue Sep 20 20:16:37.000 2011 (UTC + 10:00)
System Uptime: 0 days 10:11:55.425
Process Uptime: 0 days 0:38:33.000
................................................................
................................................................
...........................................................
Loading unloaded module list
..............................................
This dump file has a breakpoint exception stored in it.
The stored exception information can be accessed via .ecxr.
ntdll!NtWaitForSingleObject+0xa:
00000000`77b9135a c3              ret
0:019> .ecxr
rax=000000000e1f3700 rbx=000007fef43c98e0 rcx=000007fffff90000
rdx=000000000000fffd rsi=0000000000478da0 rdi=00000000000001ff
rip=000007fef43aae03 rsp=000000001275ea20 rbp=0000000000000068
 r8=000000001273a000  r9=000007fef43e26c0 r10=0000000000000000
r11=000000001275d918 r12=0000000000000000 r13=0000000026046220
r14=00000000000001a1 r15=0000000000000202
iopl=0         nv up ei pl nz na pe nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000202
verifier!VerifierStopMessageEx+0x6fb:
000007fe`f43aae03 cc              int     3


My System SpecsSystem Spec
.

21 Sep 2011   #2

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by grindage View Post
I'm trying to debug why my explorer.exe keeps crashing but I can't seem to get past this problem.

"This dump file has a breakpoint exception stored in it. The stored exception information can be accessed via .ecxr."


But when I type .ecxr but get no discernible input and not sure how to get it.


Code:
Microsoft (R) Windows Debugger Version 6.12.0002.633 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.
 
 
Loading Dump File [C:\LocalDumps\explorer.exe.2120.dmp]
User Mini Dump File with Full Memory: Only application data is available
 
Symbol search path is: SRV*C:\Symbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
Windows 7 Version 7601 (Service Pack 1) MP (2 procs) Free x64
Product: WinNt, suite: SingleUserTS
Machine Name:
Debug session time: Tue Sep 20 20:16:37.000 2011 (UTC + 10:00)
System Uptime: 0 days 10:11:55.425
Process Uptime: 0 days 0:38:33.000
................................................................
................................................................
...........................................................
Loading unloaded module list
..............................................
This dump file has a breakpoint exception stored in it.
The stored exception information can be accessed via .ecxr.
ntdll!NtWaitForSingleObject+0xa:
00000000`77b9135a c3              ret
0:019> .ecxr
rax=000000000e1f3700 rbx=000007fef43c98e0 rcx=000007fffff90000
rdx=000000000000fffd rsi=0000000000478da0 rdi=00000000000001ff
rip=000007fef43aae03 rsp=000000001275ea20 rbp=0000000000000068
 r8=000000001273a000  r9=000007fef43e26c0 r10=0000000000000000
r11=000000001275d918 r12=0000000000000000 r13=0000000026046220
r14=00000000000001a1 r15=0000000000000202
iopl=0         nv up ei pl nz na pe nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00000202
verifier!VerifierStopMessageEx+0x6fb:
000007fe`f43aae03 cc              int     3

We do need the DMP file as it contains the only record of the sequence of events leading up to the crash, what drivers were loaded, and what was responsible.

We can examine the file in other ways.
My System SpecsSystem Spec
21 Sep 2011   #3

Windows 7 Ultimate x64
 
 

i'd upload it but they are 200-300meg files.
My System SpecsSystem Spec
.


23 Sep 2011   #4

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by grindage View Post
i'd upload it but they are 200-300meg files.
They should be 200K files. If they are that large your settings in cpanel are configured wrong.

We do need the DMP file as it contains the only record of the sequence of events leading up to the crash, what drivers were loaded, and what was responsible.

You may be able to get the DMP files without crashing by booting into safe mode (F8) with networking.

To enable us to assist you with your computer's BSOD symptoms, upload the contents of your "\Windows\Minidump" folder.

The procedure:

* Copy the contents of \Windows\Minidump to another (temporary) location somewhere on your machine.
* Zip up the copy.
* Attach the ZIP archive to your post using the "paperclip" (file attachments) button.
*If the files are too large please upload them to a file sharing service like "Rapidshare" and put a link to them in your reply.


To ensure minidumps are enabled:

* Go to Start, in the Search Box type: sysdm.cpl, press Enter.
* Under the Advanced tab, click on the Startup and Recovery Settings... button.
* Ensure that Automatically restart is unchecked.
* Under the Write Debugging Information header select Small memory dump (256 kB) in the dropdown box (the 256kb varies).
* Ensure that the Small Dump Directory is listed as %systemroot%\Minidump.
* OK your way out.
* Reboot if changes have been made.




My System SpecsSystem Spec
25 Sep 2011   #5

Windows 7 Ultimate x64
 
 

I'm only getting explorer crashes NOT BSOD and they don't show up in minidump.

I added this below to registry to get dump files when explorer.exe crashes.

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps\Explorer.exe]
"DumpFolder"=hex(2):43,00,3a,00,5c,00,4c,00,6f,00,63,00,61,00,6c,00,44,00,75,\
00,6d,00,70,00,73,00,00,00


If you read my original post you see its explorer.exe crashes not BSOD I'm talking about and how to debug them.

If you can help me get past where I'm stuck I'd be grateful.

I have zipped the dump and its 88meg. you can find it here. http://dl.dropbox.com/u/42998536/explorer.exe.1860.zip
My System SpecsSystem Spec
25 Sep 2011   #6

Windows 7 Pro. 64/SP-1
 
 

See if this helps. From cmd. prompt admin. sfc /scannow. Notice the space between the c and /.System File Checker will check Windows system files for errors. I once had the same problem and it fixed it for me. Some times you will have to run up to three times, booting after each for it to fix things.
My System SpecsSystem Spec
25 Sep 2011   #7

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by grindage View Post
I'm only getting explorer crashes NOT BSOD and they don't show up in minidump.

I added this below to registry to get dump files when explorer.exe crashes.

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps\Explorer.exe]
"DumpFolder"=hex(2):43,00,3a,00,5c,00,4c,00,6f,00,63,00,61,00,6c,00,44,00,75,\
00,6d,00,70,00,73,00,00,00


If you read my original post you see its explorer.exe crashes not BSOD I'm talking about and how to debug them.

If you can help me get past where I'm stuck I'd be grateful.

I have zipped the dump and its 88meg. you can find it here. http://dl.dropbox.com/u/42998536/explorer.exe.1860.zip
It appears you still have driver verifier enabled.
My System SpecsSystem Spec
25 Sep 2011   #8

Windows 7 Pro. 64/SP-1
 
 

Good point zigzag. I would disable or remove driver verify and then run sfc /scannow. They might be walking on each other.
My System SpecsSystem Spec
26 Sep 2011   #9

Windows 7 Ultimate x64
 
 

i have never ran verifier? why would of it turned on?
My System SpecsSystem Spec
26 Sep 2011   #10

Windows 7 Ultimate x64
 
 

ok i ran verifier and it says its not on?
My System SpecsSystem Spec
Reply

 Explorer.exe keeps crashing need help getting usable debugging info.




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