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Windows 7: Windows Explorer crashing on right-click under x64 RTM

29 Sep 2009   #91
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by Dazeon View Post
Finally, I managed to catch one...

Can all you wonderful debugging experts take a look at this for me?

Attachment 29901
Another heap corruption issue, though a little different than another of the "explorer crashing with heap corruption" threads around here.

No obvious evidence that it's in any way linked to FF. In fact the only non-default modules at the time of the crash were from "Live Mesh", "MS Security Essentials", and Zune (which is new and therefore presumably blameless for sure).

Out of curiosity, you haven't "modded" Explorer.exe in some way, have you? It's got a slightly newer timestamp and a slightly different size on your machine than it ought to for an RTM (7600) box:

...
00000000`70c90000 00000000`70cab000 ZuneTaskbar Wed Sep 02 17:43:47 2009 (4A9E2233)
00000000`ff630000 00000000`ff8ef000 explorer Mon Aug 03 13:20:17 2009 (4A765771)
000007fe`f0d40000 000007fe`f1122000 mf Tue Jul 14 11:29:21 2009 (4A5BDF71)
000007fe`fa5c0000 000007fe`fa5cb000 slc Tue Jul 14 11:33:23 2009 (4A5BE063)
000007fe`fb4a0000 000007fe`fb6b5000 GdiPlus Tue Jul 14 11:24:55 2009 (4A5BDE67)

...

Did you perhaps use some sort of resource editor to patch/change Explorer UI elements? Otherwise, it's possible it was updated by WU, but it's strange that there's no symbol for that version of Explorer.exe on the MS symbol server.

I'm not accusing, just trying to understand


My System SpecsSystem Spec
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29 Sep 2009   #92
Dazeon

Windows 7 Ultimate x64
 
 

I'm very grateful for you taking the time to look mate, thank you.

Nope, I have not modded or touched Explorer in any way.
I did get an update from WU around a week or so ago.

I installed from an original verified Ultimate ISO from my Technet account.

How very odd, I really can't understand why my Explorer would be different, I tend to steer clear of any form of modding, tweaking, or resource editing.

So what can be done about 'heap corruption'?
My System SpecsSystem Spec
29 Sep 2009   #93
Dazeon

Windows 7 Ultimate x64
 
 

Just been reading two other posts regarding heap corruption, I am gonna try your additional debugging instructions there.
My System SpecsSystem Spec
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29 Sep 2009   #94
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by Dazeon View Post
Just been reading two other posts regarding heap corruption, I am gonna try your additional debugging instructions there.
Excellent thanks. This was the thread which I was referring to, although it's probably obvious:

https://www.sevenforums.com/crashes-d...-crashing.html

That poster has an issue which - on the surface at least - appears very similar. Unfortunately, heap corruption problems are notoriously difficult to diagnose because the crash happens long after the "corruptor" has done its business and silently disappeared. That's not to say that the crash is deliberately malicious; the vast majority of heap corruption issues are caused by unintended bugs, sometimes in thread synchronisation.

What's different is that you can seemingly always repro (unlike Porkrinds), so the root cause may be slightly different. It would be great if you could briefly enable extra "heap scrutiny" as per this post, and hence generate some more dumps:

https://www.sevenforums.com/crashes-d...tml#post283503

(And you can use the "cscript adplus.vbs..." method to generate the dumps from now on - two posts above that one.)
My System SpecsSystem Spec
01 Oct 2009   #95
alexbay

Vista
 
 

I'm on the same boat here too.
I get the same mmc.exe and explorer.exe crashing, both on Vista 64bit and 7 64bit.
I'm at a loss and ready to pull out my hair.
My System SpecsSystem Spec
07 Oct 2009   #96
Vermain

Windows Vista Home Premium
 
 

I haven't disappeared.. I get a similar freeze with the debugger when I catch a crash.. also, my computer seems to like behaving when I run it :\ but when I nab one, I will contribute to pile.
My System SpecsSystem Spec
07 Oct 2009   #97
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Vermain View Post
I haven't disappeared.. I get a similar freeze with the debugger when I catch a crash.. also, my computer seems to like behaving when I run it :\ but when I nab one, I will contribute to pile.

Vermain

You should start your own thread. you will get alot more response.

Just a friendly heads up


ken
My System SpecsSystem Spec
08 Oct 2009   #98
Solace

Windows 7 7600 x64/x32
 
 

i had this same issue and it randomly vanished for me... tho i did perform most of the suggestions already and start uninstalling programs 1 by 1 to see if it solved it and it kept occurng until one random day it decided to just stop after disabling all context menus and uninstalling a load of progs. im about 90% its a context issue with something built into windows 7 that Microsoft has not admitted to just yet. all of those who think its a FF issue is extremely mistaken as FF does not alter windows in any way like they stated. also if everyone who experiences this issue uses any registry cleaner of any kind i would advise you reformat and avoid using that as one person seems to have claimed win 7 manager caused it after a registry clean/defrag. and myself have only experienced issues even from the better quality and known registry cleaners multiple issues after usage.
My System SpecsSystem Spec
08 Oct 2009   #99
alexbay

Vista
 
 

Could it be drivers? It makes a little bit of sense, since I don't get the crashing on Windows XP 32-bit, but I get them on Vista 64-bit and 7 64-bit.
My System SpecsSystem Spec
09 Oct 2009   #100
H2SO4

Win7x64
 
 

Quote   Quote: Originally Posted by alexbay View Post
Could it be drivers? It makes a little bit of sense, since I don't get the crashing on Windows XP 32-bit, but I get them on Vista 64-bit and 7 64-bit.
You should consider starting your own thread if you'd like to work on troubleshooting the issue. There's nothing to link your problem to the OP's except process names.
My System SpecsSystem Spec
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 Windows Explorer crashing on right-click under x64 RTM




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