=?Utf-8?B?bWFyc2hsYW5kOQ==?= said:
I am not able to open any Windows Explorer window, including any shortcut and
control panel. When I try to launch the application I get the following error
message:
Explorer.exe - Application Error
The instruction at 0x02b90065 referenced memory at 0x0000000. The memory
could not be "written."
New developments listed at the bottom of this, but still no fix, yet.
If you have recently installed SP2 on your computer then
there have now been over 200 people reporting very similar problems
to what you are reporting. Some find that anything which uses
Windows Explorer (Recycle bin, folder shortcuts, control panel,
search, etc) all have a similar problem. Some find that right
clicks are their major problem. Some find any click. Some find
it crashes on open. Some find it refuses any clicks. Some claim
they know how to fix this but I've read the tens of thousands of
postings on SP2 and I don't think you will find any with "the fix"
for this, at least not yet. Less than a dozen people ever reported
finding a solution for this.
But, some find it will work when you boot in safe mode.
And, some find it will work when you create a new user and switch
to that user to try it.
One of those might be a temporary work-around till you get an answer.
Some claim it is all spyware and viruses but I haven't seen any
posting that confirmed this for the Windows Explorer problem. I
carefully and repeatedly checked, no viruses or spyware and my
windows explorer locks up every time. It probably doesn't hurt
much to check for viruses but if people tell you that is your
problem and you find nothing then please post letting everyone
know this is one more case where the virus chant didn't work.
<<<Late breaking news, after hundreds of people reporting this
problem, ONE person did let me know that trendmicro actually found
a WORM_SDDROP.A virus/worm, he removed that and it appeared to solve
his problem, so that's 10,000 times people chanting "it's all viruses
and spyware" and one correct diagnosis>>>
Some claim it is all "bad applications" like Divx or Spy Sweeper
being installed that is responsible for this, a very few people
have confirmed this appeared to be the source of their problem but
others have these installed and have no problem, most reporting the
problem don't have these installed and still have the problem. I
don't have either and it locks up every time. And amazingly and
unfortunately, even six months after SP2 has been out there is still
no list of specific files known to cause this or untility that can
scan for these problems.
Some claim it is all "ShellExtensions", little accessory gadgets
that sort of script extra cute features. The advice for that is
to install free ShellExView and to try (carefully) disabling these
features one at a time, if turning one off doesn't do anything then
turn it back on and try again. I did that with all 75 at once and
it made no difference at all. Two people have reported that disabling
one extension they had did appear to fix their problem. You can search
old postings in the group via google and learn about ShellExView, to
see whether you would want to try using this to scan your system.
Some claim it is all "corrupted user profiles" that are the cause
of this but I've never been able to track down a tool that would
check a user profile to see if it was corrupted. There was one web
page that Microsoft had which described a way of reporting errors
found in this but this doesn't appear feasible for XP. There is
nothing that can confirm this is the case.
You can try to uninstall SP2, there are various descriptions of how
to do that, using Control Panel/Add-Remove Programs or using a
Restore point or doing a Repair Install of Windows or reformatting
your hard drive, each of those is a bigger hammer than the previous
method, but a number of folks have reported having various problems
when they try to remove SP2 or after they do so. To be fair, SP2
probably fixes thousands of small and massive bugs in Windows XP
and if you can get it to work it is probably a good thing to have.
You can escalate to Microsoft, go to
http://support.microsoft.com/windowsxpsp2 and give them all the
details and clues and patterns you can find. There is no guarantee
that their analysis or directions will be correct or even not make
it worse. They told me I must "have some corrupted files, repair
windows back to install state and then reinstall SP2 twice while
in Safe mode." Before I did that someone posted the "switch user"
workaround that let me get by temporarily. I sent email saying
that if it worked for one user then it seemed less likely it was
"some corrupted files" and asked if they still wanted me to blow
windows away. They have not reponded to that in a number of days
now. But I can imagine what it is like inside now.
You can try each one of these things and see if any one of them
helps, but don't expect a fix.
<<<New Developments>>> I just spent another two hours in chat with
Microsoft Support, he changed his diagnosis a dozen times, going
back to things we had already concluded had nothing to do with this,
he thought that a file might have been corrupted during installation
and this would leave an error message in /windows/setuperr.log,
that file is empty, so he thought there might be answers in
/windows/setupapi.log but he said he was not trained to know how
to interpret that file, and the final conclusion was that he didn't
know how to fix this one and I was "escalated", again.
So the next guy had me run msconfig, in the startup tab disable all
items, in the service tab hide all Microsoft services and disable
all, reboot the machine, tell it not to show or launch the config
window... If the problem had disappeared after this was done then
the instructions were to begin enabling these items one at a time
until the one was found that made this fail. My Windows Explorer
problem was unchanged and I was "escalated" again.
So the next guy had me download a copy of Process Explorer and dump
out all the dll's that are connected with Windows Explorer and mail
them to him. Just like the situation with shell extensions, I see
that all but a couple of these are Microsoft supplied. After he
had seen the list he asked that I rename some of the non-Microsoft
dll's and reboot, likely to see if they were responsible. The
problem was still there and I've restored the original names. Now
we seem to be back to square one and he's asking again if this
happens in Safe mode, which we have already repeatedly covered.
Now we've sent him HijackThis logs, 3 megabytes of ntuser.dat, he
keeps claiming they DO have a process for figuring this out but
there just isn't anything that can diagnose what the problem is and
they just keep trying things until the problem seems to go away.
And he asks me to send him HijackThis logs again. He admits that
lots of people have problems with Windows Explorer and that usually
they can figure something out but that there is no list of known
file names/sizes/dates/version numbers that fail, there is no list
of steps a person can follow to track this down. And they spent a
billion bucks making Sp2 more secure and bug free! But that doesn't
put anything in the event log for Windows Explorer failures and the
flood of error reports send to them when people have this happens
apparently doesn't give them any clue what the cause is either.
Another week goes by before he responds... and he didn't find
anything in the HijackThis logs this time either. And he didn't
find anything in ntuser.dat. Now he has me back to msconfig, turning
everything off in msconfig for selective startup and rebooting,
with a cute little note that doing this isn't recommended for anyone
but a pro to do. The problem is still there. As a bonus, his
directions have now blown away my Windows activation and it is
telling me that the computer has changed and I have to reactivate,
even though nothing has changed in months.
That didn't do solve the problem so now he concludes it must be one
of the hardware drivers and he tells me to start disabling those
until we find the culprit. But this is senseless, we have already
ruled that out because switching to a freshly created new user makes
the problem go away. He hasn't answered whether he still wants me
to disable the drivers yet.
Can you say "clueless groping, hoping for a miracle"? 3 1/2 weeks
of playing this game with them and no sign that any progress has
been made.
So I have repeatedly told them I don't just want to randomly change
things until we don't notice the problem anymore, I'm going to track
down the real root cause of this one and we are going to get a fix
for this.
I hope something in this helps someone. But it appears that the
large majority of people never get a fix for the "Windows Explorer"
problem. If someone tells you to try something and it doesn't help
then please make a posting so we can start accumulating what
suggestions don't do any good. And if someone tells you something
that does work then please report it.
